EQUITY ACTIVITY - Comprehensive Income (Loss) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	$ (7.9)		$ (3.0)		$ 1.4
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of year	(16.3)		(22.3)		(20.8)
Other comprehensive income (loss) before reclassifications	(19.6)		5.3		(1.9)
Amounts reclassified from AOCI to SG&A	0.2	[1]	0.7	[1]	0.4	[1]
Other comprehensive (loss) income	(19.4)		6.0		(1.5)
Balance at the end of year	(35.7)		(16.3)		(22.3)
Foreign Currency Translation [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of year	(0.9)		2.1		0.7
Other comprehensive income (loss) before reclassifications	(7.9)		(3.0)		1.4
Amounts reclassified from AOCI to SG&A	0	[1]	0	[1]	0	[1]
Other comprehensive (loss) income	(7.9)		(3.0)		1.4
Balance at the end of year	(8.8)		(0.9)		2.1
Pension Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Balance at the beginning of year	(15.4)		(24.4)		(21.5)
Other comprehensive income (loss) before reclassifications	(11.7)		8.3		(3.3)
Amounts reclassified from AOCI to SG&A	0.2	[1]	0.7	[1]	0.4	[1]
Other comprehensive (loss) income	(11.5)		9.0		(2.9)
Balance at the end of year	$ (26.9)		$ (15.4)		$ (24.4)

[1] For additional information, see Note 13, "Pension, Profit Sharing and & Other Post-Retirement Benefits".