INCOME TAXES - Deferred Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Tax Assets:
Reserve for sales returns	$ 242	$ 289
Reserve for doubtful accounts	18	36
Reserve for inventory obsolescence	1,126	3,030
Reserve for marketing development fund	10,118	9,118
Capitalization of inventory costs	1,927	2,527
State franchise tax-current	15,143	12,358
Accrued compensation	1,584
Accrued other liabilities	1,565	3,503
Deferred revenue	152,777	47,319
Stock-based compensation	24,488	25,268
Securities impairment	289	288
Foreign net operating loss carryforward	26,624	17,256
Prepaid supplies	6,065	4,195
Distribution rights	120,798
Termination payments	81,896
Capital loss carryforward	370
State franchise tax - deferred	18,359	4,198
Gain on intercompany transfer	7,809	8,347
Total gross deferred tax assets	452,839	133,534
Deferred Tax Liabilities:
Amortization of trademarks	(12,078)	(11,923)
Unrealized gain on available-for-sale investments	(134,021)
State franchise tax-current	15,143	12,358
Other deferred tax liabilities	(2,337)	(327)
Depreciation	(7,543)	(5,022)
Total gross deferred tax liabilities	(174,338)	(21,470)
Valuation Allowance	(17,191)	(17,683)
Net deferred tax assets	261,310	94,381
(Decrease) increase to provision for income taxes	(500)	$ (4,400)	$ 10,800
Net operating loss carryforwards	129,100
Net operating loss carryforwards subject to indefinite carryforward	112,300
Net operating loss carryforwards that begin to expire in 2017	$ 16,900