Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Parenthetical) (Detail)

v3.7.0.1
Fair Value Measurements - Assets and Liabilities Recorded at Fair Value (Parenthetical) (Detail) - USD ($)
$ in Millions
Mar. 31, 2017
Dec. 31, 2016
Other Current Assets [Member]    
Derivatives, Fair Value [Line Items]    
Cash flow swaps designated as hedges $ 0.2  
Other Assets [Member]    
Derivatives, Fair Value [Line Items]    
Cash flow swaps designated as hedges 2.7 $ 2.8
Other Accrued Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Cash flow swaps designated as hedges 2.6 3.7
Cash flow swaps not designated as hedges 0.2 0.3
Other Long-Term Liabilities [Member]    
Derivatives, Fair Value [Line Items]    
Cash flow swaps designated as hedges $ 1.6 $ 2.4