Summary of Estimated Future Annual Stock-Based Compensation Expense (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
2015	$ 4,443
2016	2,932
2017	2,041
2018	1,450
2019	739
Thereafter	218
Total	$ 11,823

Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Thereafter

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Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Year Five

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Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Year Four

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Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Year One

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Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Year three

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Share Based Compensation Arrangement by Share Based Payment Award Expected Future Compensation Year Two

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (i)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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