Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Detail)

v2.4.0.8
Valuation and Qualifying Accounts (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Allowance for chargebacks [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
BALANCE AT BEGINNING OF PERIOD $ 2,801 $ 2,340 $ 3,027
CHARGED TO REVENUE COSTS AND EXPENSES 1,514 1,357 1,463
DEDUCTIONS AND WRITE-OFFS (1,825) (896) (2,150)
BALANCE AT END OF PERIOD 2,490 2,801 2,340
Allowance for doubtful accounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
BALANCE AT BEGINNING OF PERIOD 7,167 10,331 5,645
CHARGED TO REVENUE COSTS AND EXPENSES 1,105 186 5,560
DEDUCTIONS AND WRITE-OFFS (2,292) (3,350) (874)
BALANCE AT END OF PERIOD 5,980 7,167 10,331
Reserve for sales returns and allowances [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
BALANCE AT BEGINNING OF PERIOD 6,954 7,752 11,025
CHARGED TO REVENUE COSTS AND EXPENSES 249 (431) (1,141)
DEDUCTIONS AND WRITE-OFFS 253 (367) (2,132)
BALANCE AT END OF PERIOD 7,456 6,954 7,752
Reserve for shrinkage [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
BALANCE AT BEGINNING OF PERIOD 300 300 200
CHARGED TO REVENUE COSTS AND EXPENSES 1,166 1,300 1,100
DEDUCTIONS AND WRITE-OFFS (1,200) (1,300) (1,000)
BALANCE AT END OF PERIOD 266 300 300
Reserve for obsolescence [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
BALANCE AT BEGINNING OF PERIOD 8,849 11,959 3,438
CHARGED TO REVENUE COSTS AND EXPENSES 1,333 931 9,971
DEDUCTIONS AND WRITE-OFFS (6,697) (4,041) (1,450)
BALANCE AT END OF PERIOD $ 3,485 $ 8,849 $ 11,959