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Stockholders' Equity (Details) - USD ($)	1 Months Ended	3 Months Ended				12 Months Ended
	Nov. 30, 2015	Oct. 01, 2016	Jul. 02, 2016	Apr. 02, 2016	Jan. 02, 2016	Jun. 30, 2018	Jul. 01, 2017	Jul. 02, 2016	Feb. 28, 2018	Sep. 30, 2016	Feb. 01, 2016
Stock Repurchase Program
Reduction in stockholders' equity for share repurchase						$ 40,900,000	$ 92,000,000	$ 44,500,000
Aggregate purchase price of common stock						$ 40,800,000	$ 92,000,000	$ 44,500,000
Common Stock | Share Repurchase Agreement September 2016
Stock Repurchase Program
Authorized amount under stock repurchase program										$ 150,000,000
Common Stock | Share Repurchase Agreement February 2018
Stock Repurchase Program
Authorized amount under stock repurchase program									$ 200,000,000
Stock repurchase program, increase in authorized amount									$ 50,000,000
Shares delivered and retired (in shares)						4,400,000
Average repurchase price per share (in dollars per share)						$ 9.25
Reduction in stockholders' equity for share repurchase						$ 40,900,000
Common Stock | Share Repurchase Agreement February 2016
Stock Repurchase Program
Authorized amount under stock repurchase program										$ 100,000,000	$ 100,000,000
Shares delivered and retired (in shares)			700,000				10,500,000
Average repurchase price per share (in dollars per share)		$ 6.60					$ 8.75
Reduction in stockholders' equity for share repurchase							$ 92,000,000
Aggregate purchase price of common stock			$ 4,500,000
Common Stock | Share Repurchase Agreement November 2015
Stock Repurchase Program
Authorized amount under stock repurchase program	$ 40,000,000
Shares delivered and retired (in shares)				1,300,000	5,300,000
Average repurchase price per share (in dollars per share)				$ 6.05
Reduction in stockholders' equity for share repurchase				$ 8,000,000	$ 32,000,000
Aggregate purchase price of common stock	$ 40,000,000
Series B Preferred Stock
Stock Repurchase Program
Number of undesignated preferred shares authorized to be issued (in shares)						1,000,000

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