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, 2011
Dec. 31, 2010
Dec. 31, 2009
Allowance For Doubtful Accounts [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 7,098 $ 7,347 $ 9,542
Charged to Cost and Expenses 1,045 983 768
Deductions (547) [1] (1,304) [1] (3,133) [1]
Other (51) [2] 72 [2] 170 [2]
Balance at End of Period 7,545 7,098 7,347
Allowance For Sales Returns And Miscellaneous Claims [Member]
      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 17,236 11,951 9,706
Charged to Cost and Expenses 51,597 33,598 29,082
Deductions (40,651) [1] (28,819) [1] (26,758) [1]
Other 19 [2] 506 [2] (79) [2]
Balance at End of Period $ 28,201 $ 17,236 $ 11,951
[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.