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Each share of full value award counted for the purpose of number of shares authorized for issuance

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Represents the expense recognized during the period arising from cash-based long-term inventive unit compensation arrangements with employees.

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Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
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Aggregate number of common shares reserved for future issuance.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Unrecognized cost of unvested share-based compensation awards.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Amount of stock repurchase plan authorized.

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Long-Term Incentive Compensation and Supplemental Equity Information (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Supplemental Equity Information
Share repurchase authorized amount	$ 650.0
Marketing, general and administrative expense
Long-Term Incentive Compensation
Stock-based compensation expense		$ 7.6	$ 6.6	$ 13.2	$ 14.1
Cash-based awards compensation expense
Cash-based awards compensation expense		6.5	$ 5.2	16.8	$ 14.7
Stock-based awards
Long-Term Incentive Compensation
Unrecognized compensation cost related to share based compensation cost		$ 50.0		$ 50.0
Unrecognized compensation cost weighted average recognition period				2 years
2017 Plan
Long-Term Incentive Compensation
Aggregate number of shares available under the plan	5,400,000
Fungible share ratio	1.5