v2.4.0.8
Debt - Additional Information (Detail) (USD $)
6 Months Ended
Jun. 30, 2013
Bank
Credit Facility [Line Items]  
Number of banks to which Company is party to a Credit Agreement 2
Credit Agreement expiration date Oct. 01, 2017
Feature of financial agreement Maximum borrowings of the lesser of $150.0 million or the amount of eligible accounts receivable plus the amount of eligible finished goods and raw materials, less any reserves established by the banks
Available increase in borrowings under Credit Agreement $ 100,000,000
Calculated maximum borrowings 150,000,000
Calculated maximum borrowing amount available in current year 149,500,000
Outstanding borrowings $ 0
Credit Agreement [Member]
 
Credit Facility [Line Items]  
Line of credit facility, interest rate description LIBOR plus a margin that varies from 0.875% to 1.75% depending upon the Leverage Ratio (as defined in the Credit Agreement), or (2) the base rate (which is the highest of the federal funds rate plus 0.5%, the prime rate, or LIBOR plus 1.0%) plus 0% to 0.25% (depending upon the Leverage Ratio)
Percentage of federal funds rate Highest of the federal funds rate plus 0.5%, the prime rate, or LIBOR plus 1.0%
Minimum [Member] | Credit Agreement [Member]
 
Credit Facility [Line Items]  
Debt instrument basis spread on variable rate 0.875%
Percentage of commitment fee 0.15%
Debt instrument basis spread on base rate 0.00%
Maximum [Member] | Credit Agreement [Member]
 
Credit Facility [Line Items]  
Debt instrument basis spread on variable rate 1.75%
Percentage of commitment fee 0.30%
Debt instrument basis spread on base rate 0.25%