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BUSINESS AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Recently Adopted Accounting Pronouncements ( Details ) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Recently Adopted Accounting Pronouncements
Tax benefit	$ 3,725	$ 4,347	$ 4,763
Deferred financing costs	745
Retrospective Adjustment | Accounting Standards Update 2015-17 | Recently Adopted Accounting Pronouncements
Recently Adopted Accounting Pronouncements
Current deferred tax assets		(2,551)
Noncurrent deferred tax assets		2,551
Other Assets | Accounting Standards Update 2016-09 | Recently Adopted Accounting Pronouncements
Recently Adopted Accounting Pronouncements
Tax benefit	$ (348)
Long-term Debt. | Accounting Standards Update 2015-03 | Recently Adopted Accounting Pronouncements
Recently Adopted Accounting Pronouncements
Deferred financing costs		$ 1,388

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