Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY (Details Narrative)

v2.4.1.9
STOCKHOLDERS' EQUITY (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Cash dividend paid $ 17,483us-gaap_PaymentsOfDividendsCommonStock $ 15,301us-gaap_PaymentsOfDividendsCommonStock  
Cash dividend per share (in dollars per share) $ 0.08us-gaap_CommonStockDividendsPerShareCashPaid $ 0.07us-gaap_CommonStockDividendsPerShareCashPaid  
Number of shares repurchased (in shares) 19,000us-gaap_StockRepurchasedDuringPeriodShares 50,000us-gaap_StockRepurchasedDuringPeriodShares  
Par value of common stock (in dollars per share) $ 1us-gaap_CommonStockParOrStatedValuePerShare   $ 1us-gaap_CommonStockParOrStatedValuePerShare
Weighted average stock price of shares repurchased (in dollars per share) $ 22.42rol_StockRepurchasedWeightedAveragePricePerShare $ 18.15rol_StockRepurchasedWeightedAveragePricePerShare  
Repurchase of common stock from employees 6,100us-gaap_StockRepurchasedAndRetiredDuringPeriodValue 5,700us-gaap_StockRepurchasedAndRetiredDuringPeriodValue  
Common stock reserved for issuance upon exercise of stock options (in shares) 5,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant    
Tax benefits from share-based payments 2,300us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 3,400us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation 4,700us-gaap_AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unrecognized compensation cost   $ 41,300us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
$ 29,400us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
Unrecognized compensation cost, period for recognition 4 years 3 months 18 days   3 years 8 months 12 days