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]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 10,729		$ 12,331		$ 10,794
Charge to expense	1,411		3,081		1,842
Other	(278)	[1]	(4,683)	[1]	(305)	[1]
Balance at end of the period	11,862		10,729		12,331
Allowance for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	15,609		14,208		13,959
Charge to expense	19,911		18,942		16,447
Other	15,984	[1]	(17,541)	[1]	(16,198)	[1]
Balance at end of the period	19,536		15,609		14,208
Valuation Allowance Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	63,413		42,140		32,438
Charge to expense	(4,131)		18,529		6,892
Other	1,066	[1]	2,744	[1]	2,810	[1]
Balance at end of the period	$ 60,348		$ 63,413		$ 42,140

[1] Amounts sold, written off, or recovered, and the effect of changes in currency translation rates, are included in Column D.