Comprehensive Income (Loss) (Details) (USD $) In Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2011	Oct. 02, 2010	Oct. 01, 2011	Oct. 02, 2010
Comprehensive Income (Loss) [Abstract]
Foreign currency translation adjustment reclassified as income into earnings	$ 15.7		$ 15.7
Net earnings (loss)	4.7	(7.2)	101.5	(6.5)
Other comprehensive income (loss):
Foreign currency cumulative translation adjustment	(33.7)	21.7	(15.3)	(5.5)
Net change in unrealized gains (losses) on investments	(0.4)	0.2	(0.1)	(1.5)
Net change in unamortized prior service cost	(1.8)	(1.2)	2.0	(3.6)
Net change in unamortized actuarial loss	5.8	5.5	16.3	16.6
Net change in unrealized derivative gains (losses)	1.2	(6.6)	(0.7)	(5.1)
Total other comprehensive income (loss)	(28.9)	19.6	2.2	0.9
Comprehensive income (loss)	$ (24.2)	$ 12.4	$ 103.7	$ (5.6)