Restructuring Activities - Liability Established by Company in Connection with Restructuring Plan by Category of Costs (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 0
Restructuring costs	7.6	0	0
Amounts paid	(1.4)	0	(1.0)
Charges against assets	(5.7)
Ending Balance	0.5	0
Severance and employee related [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring costs	1.4
Amounts paid	(1.4)
Charges against assets	0
Ending Balance	0
Facility exit costs and other [Member]
Restructuring Reserve [Roll Forward]
Beginning Balance	0
Restructuring costs	6.2
Amounts paid	0
Charges against assets	(5.7)
Ending Balance	$ 0.5