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Exit and Disposal Activities - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended			6 Months Ended
	Jun. 28, 2014	Mar. 29, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Restructuring And Related Activities [Abstract]
Restructuring costs incurred	$ 1.4		$ 1.8	$ 3.4	$ 4.7
Accrued restructuring costs	$ 1.4	$ 2.0		$ 3.4

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Discloses the amount charged against the accrued restructuring reserves, or earnings if not previously accrued, during the period for the specified type of restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 420

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869



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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Name Staff Accounting Bulletin (SAB)

-Number Topic 5

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-Subsection 3, 4

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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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

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-Name Accounting Standards Codification

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-Subparagraph (SAB TOPIC 5.P.4(b))

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