SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Reclassifications for Accounting Pronouncements (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Assets, Current	$ 1,414,811	$ 1,274,883
Other assets	11,549	17,715
Total assets	3,037,781	2,989,611	$ 3,382,448
Other current liabilities	28,027	37,190
Liabilities, Current	675,262	523,225
Long-term debt	815,630	951,946
Deferred tax liabilities, net	49,722	54,447
Liabilities	1,746,590	1,734,188
Liabilities and Equity	$ 3,037,781	2,989,611
Accounting Standards Update 2015-17 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred Tax Assets, Net, Current		(41,737)
Assets, Current		(41,737)
Other assets		3,107
Total assets		(38,630)
Other current liabilities		(1,962)
Liabilities, Current		(1,962)
Deferred tax liabilities, net		(36,668)
Liabilities		(38,630)
Liabilities and Equity		(38,630)
Accounting Standards Update 2015-03 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Other assets		(1,137)
Total assets		(1,137)
Long-term debt		(1,137)
Liabilities		(1,137)
Liabilities and Equity		(1,137)
Scenario, Previously Reported [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Deferred Tax Assets, Net, Current		41,737
Assets, Current		1,316,620
Other assets		15,745
Total assets		3,029,378
Other current liabilities		39,152
Liabilities, Current		525,187
Long-term debt		953,083
Deferred tax liabilities, net		91,115
Liabilities		1,773,955
Liabilities and Equity		$ 3,029,378