Alleged Class Actions Filed

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- Definition

Commitments and Contingencies Disclosure [Line Items]

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- Definition

Purchased Amount Under Purchase Commitment

+ References

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- Definition

The adjustment to exclude the noncash portion of, and include cash payments for environmental costs when calculating operating cash flows under the indirect method. The adjustment can include the increase (decrease) during an accounting period in total estimated obligations recorded for probable future loss attributable to environmental contamination issues.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585

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- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: 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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Commitments and Contingencies - Additional Information (Detail) $ in Millions			1 Months Ended		12 Months Ended
	Sep. 18, 2015 USD ($)	Feb. 09, 2015 LegalMatter	Nov. 30, 2015 USD ($)	Feb. 28, 2015 LegalMatter	Dec. 26, 2015 USD ($)	Dec. 27, 2014 USD ($)	Dec. 28, 2013 USD ($)
Commitments and Contingencies Disclosure [Line Items]
Purchases under the agreement					$ 612.0	$ 647.0	$ 87.0
Settlement amount agreed	$ 0.5		$ 3.5
Minimum
Commitments and Contingencies Disclosure [Line Items]
Losses for environmental liabilities					10.0
Maximum
Commitments and Contingencies Disclosure [Line Items]
Losses for environmental liabilities					$ 25.0
Delaware Court of Chancery
Commitments and Contingencies Disclosure [Line Items]
Number of lawsuits filed \| LegalMatter		9
Number of class action filed \| LegalMatter		1
Palm Beach County Circuit Court
Commitments and Contingencies Disclosure [Line Items]
Number of lawsuits filed \| LegalMatter				2