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Legal Matters - Additional Information (Detail) - 6 months ended Jun. 14, 2015 - USD ($) $ in Millions	Total
Commitments And Contingencies Disclosure [Abstract]
Amount delivered for plaintiff	$ 32.0
Percentage liable by company for plaintiff	60.00%

X

- Definition

Percentage liable by company for plaintiff.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- References

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
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X

- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 450



-SubTopic 20



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 450



-SubTopic 20



-Section 50



-Paragraph 9



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 450



-SubTopic 20



-Section 50



-Paragraph 4



-Subparagraph (a)



-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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