GOODWILL AND OTHER INTANGIBLE ASSETS - Narrative (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Line Items]
Amortization of intangible assets	$ 51.3	$ 44.3	$ 44.8
Intangible assets, less accumulated amortization	648.9	614.9
Asset impairment charges	4.3	0	0
RESV [Member]
Goodwill [Line Items]
Weighted average percent for DCF approach	50.00%
Weighted average percent for EBITDA approach	50.00%
Weighted average cost of capital	13.20%
Percentage of fair value in excess of carrying amount	50.70%
Asset impairment charges	$ 4.3
RESV [Member] | Minimum [Member]
Goodwill [Line Items]
EBITDA multiple	7.5
RESV [Member] | Maximum [Member]
Goodwill [Line Items]
EBITDA multiple	8.0
DMS [Member]
Goodwill [Line Items]
Weighted average percent for DCF approach	50.00%
Weighted average percent for EBITDA approach	50.00%
Weighted average cost of capital	13.40%
Percentage of fair value in excess of carrying amount	39.50%
DMS [Member] | Minimum [Member]
Goodwill [Line Items]
EBITDA multiple	6.5
DMS [Member] | Maximum [Member]
Goodwill [Line Items]
EBITDA multiple	7.5
TECH [Member]
Goodwill [Line Items]
Weighted average percent for DCF approach	50.00%	50.00%
Weighted average percent for EBITDA approach	50.00%	50.00%
Weighted average cost of capital	14.50%	16.90%
Percentage of fair value in excess of carrying amount	23.80%
TECH [Member] | Minimum [Member]
Goodwill [Line Items]
EBITDA multiple	7.0	7.5
TECH [Member] | Maximum [Member]
Goodwill [Line Items]
EBITDA multiple	8.5	8.5