Quarterly report pursuant to Section 13 or 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail)

v3.2.0.727
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Detail) - USD ($)
shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Feb. 04, 2015
Oct. 24, 2014
Jun. 30, 2015
Feb. 04, 2015
Jun. 30, 2015
Dec. 31, 2014
Significant Accounting Policies [Line Items]            
Number of treasury shares repurchased     900   1,900  
Fair value of long term debt     $ 1,200.0   $ 1,200.0 $ 1,300.0
Carrying value of long term debt     1,100.0   1,100.0 $ 1,100.0
Variable interest maximum exposure to loss     $ 16.7   $ 16.7  
Variable interest entity, ownership interest     75.00%   75.00%  
Accelerated Share Repurchase Program            
Significant Accounting Policies [Line Items]            
Accelerated Share Repurchases, Settlement (Payment) or Receipt   $ 115.0        
Number of treasury shares repurchased 20 1,400   1,420    
Accelerated Share Repurchase Program, Adjustment Percent   10.00%        
Accelerated Share Repurchase Program, Adjustment   $ 11.5 $ 0.0   $ (11.5)  
Other Current Assets            
Significant Accounting Policies [Line Items]            
Restricted Cash and Cash Equivalents     40.4   40.4  
Other Current Liabilities            
Significant Accounting Policies [Line Items]            
Restricted Cash and Cash Equivalents     $ 40.4   $ 40.4