Annual report pursuant to Section 13 and 15(d)

Valuation and Qualifying Accounts (Details)

v3.6.0.2
Valuation and Qualifying Accounts (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Allowance for Doubtful Accounts [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period $ 9,928 $ 8,943 $ 8,282
Charged to Costs and Expenses 2,037 2,788 2,299
Deductions [1] (3,406) (1,239) (1,344)
Balance at End of Period 8,556 9,928 8,943
Valuation Allowances and Reserves, Adjustments [2] (3) (564) (294)
Allowance For Sales Returns And Miscellaneous Claims [Member]      
Valuation and Qualifying Accounts Disclosure [Line Items]      
Balance at Beginning of Period 40,510 27,379 25,125
Charged to Costs and Expenses 49,822 54,017 47,187
Deductions [1] (50,548) (40,022) (43,322)
Balance at End of Period 39,768 40,510 27,379
Valuation Allowances and Reserves, Adjustments [2] $ (16) $ (864) $ (1,611)
[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.