VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	$ 11,274		$ 11,862		$ 10,729
Charge to expense	(341)		235		1,411
Other	(2,220)	[1]	(823)	[1]	(278)	[1]
Balance at end of the period	8,713		11,274		11,862
Allowance for Sales Returns [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	22,428		19,536		15,609
Charge to expense	13,879		25,013		19,911
Other	(19,042)	[1]	(22,121)	[1]	(15,984)	[1]
Balance at end of the period	17,265		22,428		19,536
Valuation Allowance Deferred Tax Assets [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at beginning of period	49,987		60,348		63,413
Charge to expense	(3,347)		(8,795)		(4,131)
Other	(24,780)	[1]	(1,566)	[1]	1,066	[1]
Balance at end of the period	$ 21,860		$ 49,987		$ 60,348

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