ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Pre-Tax Amount [Abstract]
Foreign currency translation adjustment	$ (10.8)	$ (14.2)	$ (20.7)	$ (3.5)
Unrealized gain (loss) on available-for-sale securities	2.0	0.1	(3.9)	(0.8)
Interest rate swap agreements, Unrealized gain (loss) arising during period	0.8	(1.0)	0.8	(1.2)
Reclassification of net (gain) loss to on interest rate swaps, pre-tax amount	0.6	0.6	1.2	1.2
Pension plans, Reclassification of net actuarial loss to net income	0.3	0.3	0.6	0.6
Total other comprehensive income (loss), Pre-Tax Amount	(7.1)	(14.2)	(22.0)	(3.7)
Tax (Expense) Benefit [Abstract]
Foreign currency translation adjustment	0	0	0	0
Unrealized gain (loss) on available-for-sale securities	0	0	1.2	0
Interest rate swap agreements, Unrealized gain (loss) arising during period	(0.3)	0.4	(0.3)	0.4
Interest rate swap agreements, Reclassification of net (gain) loss to net income	(0.3)	(0.2)	(0.5)	(0.4)
Pension plans, Reclassification of net actuarial loss to net income	(0.3)	(0.1)	(0.2)	(0.2)
Total other comprehensive income (loss), Tax (Expense) Benefit	(0.9)	0.1	0.2	(0.2)
Net-Of-Tax Amount [Abstract]
Foreign currency translation adjustment	(10.8)	(14.2)	(20.7)	(3.5)
Unrealized gain (loss) on available-for-sale securities	2.0	0.1	(2.7)	(0.8)
Interest rate swap agreements, Unrealized gain (loss) arising during period	0.5	(0.6)	0.5	(0.8)
Interest rate swap agreements, Reclassification of net (gain) loss to net income	0.3	0.4	0.7	0.8
Pension plans, Reclassification of net actuarial loss to net income	0	0.2	0.4	0.4
Total other comprehensive income (loss), net of tax	(8.0)	(14.1)	(21.8)	(3.9)
Schedule Of Accumulated Other Comprehensive Income [Line Items]
Reclassification of net (gain) loss to on interest rate swaps, pre-tax amount	0.6	0.6	1.2	1.2
Reclassification of net (gain) loss to on interest rate swaps, tax	(0.3)	(0.2)	(0.5)	(0.4)
Reclassification of net (gain) loss to on interest rate swaps, net of tax	0.3	0.4	0.7	0.8
Net actuarial loss, pre-tax amount	0.3	0.3	0.6	0.6
Amortization of pension items, Tax	(0.3)	(0.1)	(0.2)	(0.2)
Amortization of pension items, Net of tax	0	0.2	0.4	0.4
Total reclassifications for the period, net of tax	$ 0.3	$ 0.6	$ 1.1	$ 1.2