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Derivative Instruments and Hedging Activities - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2015
USD ($)
Rate
Derivative [Line Items]  
Gain reclassified from accumulated OCI into income, net | $ $ 0.7
2014 Swap | Term Loans  
Derivative [Line Items]  
Fixed interest rate 1.04%
Maturity date Aug. 01, 2017
Basis spread on variable rate 1.35%
Interest rate at period end 2.39%