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
Mar. 31, 2014
Customer
Mar. 31, 2013
Customer
Dec. 31, 2013
Customer
Concentration Risk [Line Items]      
Credit losses attributable to write-offs $ 3.8 $ 0.5  
Net assets held outside the United States 439.4   413.2
Number of customers accounting for more than 10% of sales 0 0  
Number of customers accounting for more than 10% of accounts receivable 0   0
Number of largest customers 5 5  
Sales [Member] | Customer Concentration Risk [Member]
     
Concentration Risk [Line Items]      
Percentage of net sales to largest customers 17.10% 18.00%  
United States [Member]
     
Concentration Risk [Line Items]      
Accounts receivable 175.0   138.4
Foreign Countries [Member]
     
Concentration Risk [Line Items]      
Accounts receivable $ 157.8   $ 103.5