XML 64 R51.htm IDEA: XBRL DOCUMENT v3.4.0.3
Fair Value Measurement - Carrying Value, Net of Underwriting Commissions, Price Discounts, and Debt Issuance Costs and Fair Value of Debt (Detail) - USD ($)
$ in Millions
Mar. 31, 2016
Dec. 31, 2015
Carrying Value | Revolving Credit Facility [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value $ 450.0  
Carrying Value | Term Loan Facilities [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 279.1 $ 279.0
Carrying Value | Notes Payable to Banks [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 2.8 0.8
Carrying Value | Senior Notes    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 890.1 889.7
Fair Value | Revolving Credit Facility [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 450.0  
Fair Value | Term Loan Facilities [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 280.0 280.0
Fair Value | Notes Payable to Banks [Member]    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value 2.8 0.8
Fair Value | Senior Notes    
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]    
Fair Value $ 909.4 $ 894.1