Annual report pursuant to Section 13 and 15(d)

DEBT (Details Narraive 2)

v2.4.1.9
DEBT (Details Narraive 2)
 12 Months Ended
Dec. 31, 2014
Debt Instrument Variable Rate Base US Federal Funds [Member]  
Short-term Debt [Line Items]  
Description of variable rate Federal Funds
Basis spread on variable rate (as a percent) 0.50%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ rol_DebtInstrumentVariableRateBaseAxis
= rol_DebtInstrumentVariableRateBaseUSFederalFundsMember
Debt Instrument Variable Rate Base Adjusted LIBOR [Member]  
Short-term Debt [Line Items]  
Description of variable rate Adjusted LIBO Rate determined on a daily basis for an interest period of one
Basis spread on variable rate (as a percent) 0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ rol_DebtInstrumentVariableRateBaseAxis
= rol_DebtInstrumentVariableRateBaseAdjustedLIBORMember
Maximum [Member] | Debt Instrument Variable Rate Base Adjusted LIBOR [Member]  
Short-term Debt [Line Items]  
Basis spread on variable rate (as a percent) 1.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ rol_DebtInstrumentVariableRateBaseAxis
= rol_DebtInstrumentVariableRateBaseAdjustedLIBORMember
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
Minimum [Member] | Debt Instrument Variable Rate Base Adjusted LIBOR [Member]  
Short-term Debt [Line Items]  
Basis spread on variable rate (as a percent) 0.75%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
/ rol_DebtInstrumentVariableRateBaseAxis
= rol_DebtInstrumentVariableRateBaseAdjustedLIBORMember
/ us-gaap_RangeAxis
= us-gaap_MinimumMember