Stockholders' Equity - Total Stock Based Compensation Cost for Instruments Granted but Not Yet Amortized (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options, Unrecognized Compensation Expense, Net	$ 239
Stock options, Weighted-Average Period	1 year 5 months 19 days
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU/PSU, Unrecognized Compensation Expense, Net	28,287
RSU/PSU, Weighted-Average Period	2 years 3 months 22 days
Performance stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU/PSU, Unrecognized Compensation Expense, Net	$ 2,055
RSU/PSU, Weighted-Average Period	1 year 5 months 23 days

Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Unrecognized cost of unvested options awarded to employees as compensation.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)

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

+ Details

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Data Type:	xbrli:durationItemType
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- Details

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

+ Details

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Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AwardTypeAxis=us-gaap_RestrictedStockUnitsRSUMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: