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Stockholders' Equity (Details) - USD ($) shares in Millions	3 Months Ended	6 Months Ended
	Dec. 30, 2017	Dec. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Sep. 29, 2016
Class of Stock [Line Items]
Authorized amount under stock repurchase program				$ 150,000,000	$ 100,000,000
Payment for share repurchase	$ 21,800,000	$ 31,000,000	$ 39,700,000
Common stock
Class of Stock [Line Items]
Shares delivered and retired (in shares)	2.4
Remaining authorization for future share repurchases	$ 22,500,000	$ 22,500,000

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The cash outflow to reacquire common stock during the period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased and retired during the period.

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-Topic 210
-SubTopic 10
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