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LEASE COMMITMENTS - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Operating Leased Assets [Line Items]      
Rent expense $ 111.5us-gaap_LeaseAndRentalExpense $ 92.4us-gaap_LeaseAndRentalExpense $ 85.5us-gaap_LeaseAndRentalExpense
Maximum [Member]      
Operating Leased Assets [Line Items]      
Operating lease agreements, expiration (various dates over the next 22 years) 20 years