Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3)

v2.4.1.9
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 3) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Mar. 31, 2014
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
EarningsPerShareBasicAndDilutedLineItems                      
Net Income $ 29,917us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 41,121us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 40,860us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 25,766us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 27,957us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 36,200us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 35,994us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 23,179us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 137,664us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 123,330us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic $ 111,332us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Less: Dividends paid                 (75,750)us-gaap_PaymentsOfDividendsCommonStock (65,658)us-gaap_PaymentsOfDividendsCommonStock (64,282)us-gaap_PaymentsOfDividendsCommonStock
Undistributed earnings for the period                 61,914us-gaap_UndistributedEarnings 57,672us-gaap_UndistributedEarnings 47,050us-gaap_UndistributedEarnings
Allocation of undistributed earnings:                      
Undistributed earnings                 61,914us-gaap_UndistributedEarnings 57,672us-gaap_UndistributedEarnings 47,050us-gaap_UndistributedEarnings
Basic shares outstanding:                      
Basic shares outstanding                 145,796us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 146,081us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 146,299us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted shares outstanding                      
Basic shares outstanding                 145,796us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 146,081us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 146,299us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average participating shares outstanding - assuming dilution (in shares)                 145,796us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 146,081us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 146,299us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Basic earnings per share                      
Total shares of common stock, basic (in dollars per share) $ 0.21us-gaap_EarningsPerShareBasic $ 0.28us-gaap_EarningsPerShareBasic $ 0.28us-gaap_EarningsPerShareBasic $ 0.18us-gaap_EarningsPerShareBasic $ 0.19us-gaap_EarningsPerShareBasic $ 0.25us-gaap_EarningsPerShareBasic $ 0.25us-gaap_EarningsPerShareBasic $ 0.16us-gaap_EarningsPerShareBasic $ 0.94us-gaap_EarningsPerShareBasic $ 0.84us-gaap_EarningsPerShareBasic $ 0.76us-gaap_EarningsPerShareBasic
Diluted earning per share:                      
Total shares of common stock, diluted (in dollars per share) $ 0.21us-gaap_EarningsPerShareDiluted $ 0.28us-gaap_EarningsPerShareDiluted $ 0.28us-gaap_EarningsPerShareDiluted $ 0.18us-gaap_EarningsPerShareDiluted $ 0.19us-gaap_EarningsPerShareDiluted $ 0.25us-gaap_EarningsPerShareDiluted $ 0.25us-gaap_EarningsPerShareDiluted $ 0.16us-gaap_EarningsPerShareDiluted $ 0.94us-gaap_EarningsPerShareDiluted $ 0.84us-gaap_EarningsPerShareDiluted $ 0.76us-gaap_EarningsPerShareDiluted
Common Stock [Member]                      
EarningsPerShareBasicAndDilutedLineItems                      
Less: Dividends paid                 (74,704)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
(64,571)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
(63,120)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Undistributed earnings for the period                 61,001us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
56,663us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
46,150us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Allocation of undistributed earnings:                      
Undistributed earnings                 61,001us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
56,663us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
46,150us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Diluted allocation of undistributed earnings                 61,001us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
56,663us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
46,150us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Basic shares outstanding:                      
Basic shares outstanding                 143,646us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,526us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,499us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Diluted shares outstanding                      
Basic shares outstanding                 143,646us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,526us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,499us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Dilutive effect of stock options (in shares)                      7us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Weighted average participating shares outstanding - assuming dilution (in shares)                 143,646us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,526us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
143,506us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Basic earnings per share                      
Distributed earnings basic (in dollars per share)                 $ 0.52us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.45us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.44us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Undistributed earnings basic (in dollars per share)                 $ 0.42us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.39us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.32us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Total shares of common stock, basic (in dollars per share)                 $ 0.94us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.84us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.76us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Diluted earning per share:                      
Distributed earnings diluted (in dollars per share)                 $ 0.52us-gaap_EarningsPerShareDilutedDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.45us-gaap_EarningsPerShareDilutedDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.44us-gaap_EarningsPerShareDilutedDistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Undistributed earnings diluted (in dollars per share)                 $ 0.42us-gaap_EarningsPerShareDilutedUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.39us-gaap_EarningsPerShareDilutedUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.32us-gaap_EarningsPerShareDilutedUndistributed
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Total shares of common stock, diluted (in dollars per share)                 $ 0.94us-gaap_EarningsPerShareDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.84us-gaap_EarningsPerShareDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
$ 0.76us-gaap_EarningsPerShareDiluted
/ rol_EarningsPerShareBySecurityAxis
= us-gaap_CommonStockMember
Participating Securities [Member]                      
EarningsPerShareBasicAndDilutedLineItems                      
Less: Dividends paid                 (1,046)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
(1,087)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
(1,162)us-gaap_PaymentsOfDividendsCommonStock
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Undistributed earnings for the period                 913us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
1,009us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
900us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Allocation of undistributed earnings:                      
Undistributed earnings                 913us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
1,009us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
900us-gaap_UndistributedEarnings
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Diluted allocation of undistributed earnings                 $ 913us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 1,009us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 900us-gaap_UndistributedEarningsDiluted
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Basic shares outstanding:                      
Basic shares outstanding                 2,150us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
2,555us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
2,800us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Diluted shares outstanding                      
Basic shares outstanding                 2,150us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
2,555us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
2,800us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Basic earnings per share                      
Distributed earnings basic (in dollars per share)                 $ 0.49us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.43us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.42us-gaap_EarningsPerShareBasicDistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Undistributed earnings basic (in dollars per share)                 $ 0.42us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.39us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.32us-gaap_EarningsPerShareBasicUndistributed
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
Total shares of common stock, basic (in dollars per share)                 $ 0.91us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.82us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember
$ 0.74us-gaap_EarningsPerShareBasic
/ rol_EarningsPerShareBySecurityAxis
= rol_ParticipatingSecuritiesMember