Restructuring and Asset Impairments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Restructuring Cost and Reserve [Line Items]
Charges related primarily to employee redundancy costs	$ 0.1	$ 0	$ 2.4	$ 2.0
Asset impairment charges	(0.2)	0	1.7	0
2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	2		2
North America [Member]
Restructuring Cost and Reserve [Line Items]
Charges related primarily to employee redundancy costs	0.1	0	2.3	1.0
Asset impairment charges	0		0.9
North America [Member] | 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	1		1
Europe [Member] | 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	1		1
Minimum [Member] | 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charges related primarily to employee redundancy costs			4.5
Maximum [Member] | 2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charges related primarily to employee redundancy costs			$ 5.5