INCOME TAXES - Classification and Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Domestic and foreign components of company's income (loss) before income taxes
Domestic	$ 859,039	$ 711,917	$ 596,899
Foreign	32,509	33,871	(33,005)
INCOME BEFORE PROVISION FOR INCOME TAXES	891,548	745,788	563,894
Intercompany royalties, management fees and interest charges from the Company's domestic to foreign entities	29,200	34,900	25,900
Current:
Federal	548,018	228,348	191,596
State	88,671	36,633	36,662
Foreign	10,634	7,467	4,052
Total current provision	647,323	272,448	232,310
Deferred:
Federal	(255,422)	(8,473)	(7,441)
State	(40,446)	(442)	(1,443)
Foreign	(5,420)	3,476	(9,694)
Total deferred provision	(301,288)	(5,439)	(18,578)
Valuation allowance	(1,220)	(4,406)	11,501
Total provision for income taxes	$ 344,815	$ 262,603	$ 225,233
Federal statutory rate (as a percent)	35.00%	35.00%	35.00%
Reconciliation of income tax expense
U.S. Federal tax expense at statutory rates	$ 312,042	$ 261,025	$ 197,363
State income taxes, net of federal tax benefit	31,046	23,859	22,640
Permanent differences	8,488	4,816	936
Domestic production deduction		(20,607)	(16,039)
Other	(127)	(1,267)	266
Foreign rate differential	(5,414)	(817)	8,566
Valuation allowance	(1,220)	(4,406)	11,501
Total provision for income taxes	$ 344,815	$ 262,603	$ 225,233