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RELATED PARTY TRANSACTIONS (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
RPC Inc [Member]        
Related Party Transaction [Line Items]        
Notice period for termination of service agreement 6 months      
LOR Inc [Member]        
Related Party Transaction [Line Items]        
Administrative services and rent, charges to related party 1,000us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_LORIncMember
$ 1,100us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_LORIncMember
$ 1,100us-gaap_RevenueFromRelatedParties
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_LORIncMember
 
Maximum [Member] | RPC Inc [Member]        
Related Party Transaction [Line Items]        
Administrative services and rent, charges to related party 100us-gaap_RevenueFromRelatedParties
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_RPCIncMember
  $ 100us-gaap_RevenueFromRelatedParties
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_RPCIncMember
$ 100us-gaap_RevenueFromRelatedParties
/ us-gaap_RangeAxis
= us-gaap_MaximumMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= rol_RPCIncMember