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CASH DIVIDEND (Details) (USD $)
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0 Months Ended | 12 Months Ended | |||
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Dec. 10, 2014
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Jan. 22, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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| Dividends, Cash [Abstract] | |||||
| Special year-end dividend (in dollars per share) | $ 0.10us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.52us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.45us-gaap_CommonStockDividendsPerShareCashPaid | $ 0.44us-gaap_CommonStockDividendsPerShareCashPaid | |
| Increase in quarterly dividend approved on January 27, 2015 (as a percent) | 14.30%rol_PercentageIncreaseInQuarterlyCommonStockDividends | ||||
| Increased quarterly dividend approved (in dollars per share) | $ 0.12us-gaap_CommonStockDividendsPerShareDeclared | ||||
| Number of consecutive years that the Company's dividend has increased by a minimum of 12% | 13 years | ||||
| Annual percentage increase in Company's dividend over the consecutive ten year period, minimum | 12.00%rol_CommonStockDividendsDeclaredAnnualIncreasePercentageMinimum | ||||
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- Definition
Common Stock Dividends Declared Annual Increase Percentage, Minimum No definition available.
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- Definition
Number of Consecutive Years with Increased Common Stock Dividends No definition available.
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- Definition
Percentage Increase in Quarterly Common Stock Dividends No definition available.
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- Definition
Aggregate dividends paid during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Aggregate dividends declared during the period for each share of common stock outstanding. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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