v3.7.0.1
Amounts Recognized on Consolidated Balance Sheets (Detail) - USD ($)
$ in Millions
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
U.S. [Member]      
Amounts recognized in liabilities:      
Noncurrent liabilities $ (9.4) $ (8.9)  
Funded Status (9.4) (8.9)  
Net actuarial loss 4.2 3.7 $ 3.5
Total recognized on the consolidated balance sheets (5.2) (5.2)  
Non-U.S. [Member]      
Amounts recognized in liabilities:      
Current liabilities (0.4) (0.4)  
Noncurrent liabilities (28.6) (24.2)  
Funded Status (29.0) (24.6)  
Net actuarial loss 9.7 4.0 $ 5.7
Total recognized on the consolidated balance sheets $ (19.3) $ (20.6)