CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract]
Net income	$ 29.2	$ 19.6
Other comprehensive income, net of tax, respectively:
Foreign currency translation adjustments	12.2	21.4
Net actuarial loss arising during period, net of tax of $(0.1) and $(0.2)	(0.3)	(0.5)
Less: amortization of actuarial loss, net of tax of $0.8 and $0.5	1.3	0.7
Less: amortization of prior service credit, net of tax of $(0.2) and $(0.1)	(0.2)	(0.3)
Net losses on derivatives, net of tax of $0 and $(0.3)	0	(0.8)
Other comprehensive income, net of tax	13.0	20.5
Comprehensive income	$ 42.2	$ 40.1