Reconciliation of Consolidated Segment Earnings to Consolidated Income Before Provision for Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				9 Months Ended
	Sep. 29, 2012		Oct. 01, 2011		Sep. 29, 2012		Oct. 01, 2011
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment earnings	$ 169.6	[1]	$ 158.5	[1]	$ 546.4	[1]	$ 577.8	[1]
Interest expense	13.7		10.9		40.2		24.9
Other expense, net	1.5		10.1		12.0		15.3
Consolidated income before income taxes and equity in net income of affiliates and subsidiaries	$ 154.4		$ 137.5		$ 494.2		$ 537.6

[1] See definition above.