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Asset Impairment Charges - Additional Information (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Asset Impairment Charges [Line Items]      
Asset impairment charge $ 0.0 $ 0.0 $ 21.2
Waterloo [Member]      
Asset Impairment Charges [Line Items]      
Asset impairment charge   9.1  
Fixed Assets   8.1  
Definite-lived intangible assets   $ 1.0