Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Details)

v2.4.0.6
Valuation and Qualifying Accounts (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Allowance for Doubtful Accounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 7,545 $ 7,098 $ 7,347
Charged to Costs and Expenses 981 1,045 983
Deductions (1,173) [1] (547) [1] (1,304) [1]
Other 24 [2] (51) [2] 72 [2]
Balance at End of Period 7,377 7,545 7,098
Allowance For Sales Returns And Miscellaneous Claims [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 28,201 17,236 11,951
Charged to Costs and Expenses 63,453 51,597 33,598
Deductions (58,353) [1] (40,651) [1] (28,819) [1]
Other (754) [2] 19 [2] 506 [2]
Balance at End of Period $ 32,547 $ 28,201 $ 17,236
[1] Charges to the accounts included in this column are for the purposes for which the reserves were created.
[2] Amounts included in this column primarily relate to foreign currency translation.