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. 28, 2014		Jun. 29, 2013		Jun. 28, 2014		Jun. 29, 2013
Segment Reporting [Abstract]
Segment earnings	$ 232.8	[1]	$ 201.2	[1]	$ 448.1	[1]	$ 375.4	[1]
Interest expense	14.6		17.4		31.4		34.1
Other expense, net	16.8		10.3		46.0		21.0
Consolidated income before provision for income taxes and equity in net income of affiliates	$ 201.4		$ 173.5		$ 370.7		$ 320.3

[1] See definition above.