Reconciliation of Consolidated Segment Earnings to Consolidated Income Before Provision for Income Taxes (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 29, 2013		Jun. 30, 2012		Jun. 29, 2013		Jun. 30, 2012
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Segment earnings	$ 201.2	[1]	$ 190.0	[1]	$ 375.4	[1]	$ 376.8	[1]
Interest expense	17.4		14.0		34.1		26.5
Other expense, net	10.3		10.2		21.0		10.5
Consolidated income before provision for income taxes and equity in net income of affiliates	$ 173.5		$ 165.8		$ 320.3		$ 339.8

[1] See definition above.