SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)

6 Months Ended

Jun. 30, 2017

Accounting Policies [Abstract]

Financial Instruments Where Carrying Value and Fair Value Differ

Fair Value of Financial Instruments
The following details our financial instruments where the carrying value and the fair value differ (amounts in millions):
	Fair Value at Reporting Date Using
Financial Instrument	Carrying Value as of June 30, 2017		Quoted Prices in Active Markets for Identical Items (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)
Long-term obligations	$	93.6	$	0	$	94.3	$	0

Weighted-Average Shares Outstanding

		For the Three-Month Periods Ended June 30,		For the Six-Month Periods Ended June 30,
		2017	2016	2017	2016
Weighted average number of shares outstanding - basic		33,637	33,197	33,540	33,059
Effect of dilutive securities:
	Stock options	329	181	285	134
	Non-vested stock and stock units	363	330	378	448
Weighted average number of shares outstanding - diluted		34,329	33,708	34,203	33,641
Anti-dilutive securities		169	199	248	240