Quarterly report pursuant to Section 13 or 15(d)

Business and Credit Concentrations - Additional Information (Detail)

v2.4.0.8
Business and Credit Concentrations - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Customer
Jun. 30, 2013
Customer
Jun. 30, 2014
Customer
Jun. 30, 2013
Customer
Dec. 31, 2013
Concentration Risk [Line Items]          
Charges for bad debt and reserves for credit losses $ 1.1 $ 0.4 $ 4.9 $ 1.0  
Net assets held outside the United States 454.5   454.5   413.2
Number of largest customers 5 5 5 5  
Customer Concentration Risk [Member]
         
Concentration Risk [Line Items]          
Number of customers accounting for more than 10% of net sales 0 0 0 0  
Credit Concentration Risk [Member]
         
Concentration Risk [Line Items]          
Number of customers accounting for more than 10% of net trade receivable 0   0   0
Sales Revenue, Goods, Net [Member] | Customer Concentration Risk [Member]
         
Concentration Risk [Line Items]          
Percentage of net sales to largest customers 16.20% 19.30% 16.60% 18.60%  
Domestic [Member]
         
Concentration Risk [Line Items]          
Accounts receivable 190.9   190.9   138.4
Foreign [Member]
         
Concentration Risk [Line Items]          
Accounts receivable $ 148.6   $ 148.6   $ 103.5