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Fair Value Measurements - Additional Information (Detail) - USD ($)	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016	Dec. 31, 2016
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Asset impairment charges	$ 0	$ 0
Derivative Fuel Contracts Payable | Maximum
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Accrued expenses and other liabilities	$ 1,000,000		$ 1,000,000

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- Definition

Amount of expenses incurred but not yet paid nor invoiced, and liabilities classified as other.

+ References

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=68055307&loc=d3e2420-110228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585

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- Definition

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+ References

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