Contingencies (Details) - USD ($) $ / shares in Units, $ in Millions	Dec. 29, 2017	Dec. 02, 2017
Loss Contingencies [Line Items]
Standby letters of credit		$ 4.2
Subsequent Event
Loss Contingencies [Line Items]
Settlement payment	$ 80.8
Settlement payment, net of tax	$ 52.8
Settlement payment per basic and diluted share (in dollars per share)	$ 1.09

Litigation Settlement, Amount Awarded to Other Party, In Earnings Per Share, Basic and Diluted

No definition available.

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- Definition

Litigation Settlement, Amount Awarded to Other Party, Net of Tax

+ References

No definition available.

+ Details

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Period Type:	duration

- Definition

Amount awarded to other party in judgment or settlement of litigation.

+ 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 fair value, as of the date of each statement of financial position presented, of securities that are restricted as collateral under letter of credit agreements, and that are reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge them.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

+ Details

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Period Type:	instant

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