Contingent Liabilities - Other (Details) - Threatened Litigation - USD ($) $ in Millions	1 Months Ended	3 Months Ended
Dec. 31, 2014	Sep. 30, 2013	Mar. 27, 2016
Loss Contingencies [Line Items]
Demand for payment	$ 34.0	$ 26.0
Decline in contributions, percent (more than)		70.00%
Payments made in accordance with ERISA			$ 13.4
Payments made in current period			$ 1.8

Loss Contingency, Allegations, Percentage of Decline in Contribution to Multiemployer Defined Benefit Plan

No definition available.

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- Definition

Loss Contingency, Payments to Date

+ References

No definition available.

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- 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

+ Details

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- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

+ Details

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- Details

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