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Restructuring and Asset Impairments - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 29, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 2.2us-gaap_RestructuringCharges
Asset impairment charges	1.6us-gaap_AssetImpairmentCharges
North America [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2.1
Asset impairment charges	0.9
United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0.1
Asset impairment charges	0.7
2014 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	2
Restructuring charges	2.2
Asset impairment charges	$ 1.6
2014 Restructuring Plan [Member] \| North America [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	1
2014 Restructuring Plan [Member] \| United Kingdom [Member]
Restructuring Cost and Reserve [Line Items]
Number of plants to be closed	1

- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References+ Details