Consolidated Statements Of Comprehensive Income (Loss) (Unaudited) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements of Comprehensive Income (Loss) (Unaudited) [Abstract]
Net earnings	$ 63.1	$ 79.6	$ 144.3	$ 188.0
Other comprehensive income (loss):
Foreign currency translation adjustments	8.5	(129.3)	(27.1)	(22.2)
Translation adjustments on net investment hedge, net of tax	(5.5)	34.1	3.9	(0.1)
Translation adjustments of long-term intercompany loans	(6.6)	1.6	17.7	(2.3)
Unrealized gain (loss) on investments, net of tax	1.5	(1.1)	3.2	(0.7)
Amortization of net loss included in pension plan net periodic benefit cost, net of tax	0.4	0.3	0.7	1.4
Total other comprehensive loss	(1.7)	(94.4)	(1.6)	(23.9)
Comprehensive income (loss)	$ 61.4	$ (14.8)	$ 142.7	$ 164.1