Restructuring and Asset Impairments - Summary of Restructuring Charges (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
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0.1	$ 2.0	$ 2.3	$ 2.0
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.1	1.0	2.2	1.0
United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0.7	0.1	0.7
Mexico [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 0	$ 0.3	$ 0	$ 0.3