Consolidated Statements of Shareholders' Equity Statement - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Jun. 30, 2019		54,248,000
Beginning balance at Jun. 30, 2019	$ 1,284,739	$ 542	$ 1,058,745	$ 226,743	$ (1,291)
Issuance of common stock under employee stock incentive plans (in shares)		491,000
Issuance of common stock under employee stock incentive plans	3	$ 5	(2)
Purchased and retirement of common stock (in shares)		(181,000)
Purchase and retirement of common stock	(14,937)	$ (2)	(14,935)
Stock-based compensation	12,430		12,430
Net income	34,923			34,923
Other comprehensive loss	(102)
Ending balance (in shares) at Dec. 27, 2019		54,558,000
Ending balance at Dec. 27, 2019	1,317,056	$ 545	1,056,238	261,666	(1,393)
Beginning balance (in shares) at Sep. 27, 2019		54,534,000
Beginning balance at Sep. 27, 2019	1,295,278	$ 545	1,049,952	245,990	(1,209)
Issuance of common stock under employee stock incentive plans (in shares)		29,000
Issuance of common stock under employee stock incentive plans	0		0
Purchased and retirement of common stock (in shares)		(5,000)
Purchase and retirement of common stock	(375)		(375)
Stock-based compensation	6,661		6,661
Net income	15,676			15,676
Other comprehensive loss	(184)				(184)
Ending balance (in shares) at Dec. 27, 2019		54,558,000
Ending balance at Dec. 27, 2019	$ 1,317,056	$ 545	1,056,238	261,666	(1,393)
Beginning balance (in shares) at Jul. 03, 2020	54,702,322	54,702,000
Beginning balance at Jul. 03, 2020	$ 1,384,784	$ 547	1,074,667	312,455	(2,885)
Issuance of common stock under employee stock incentive plans (in shares)		382,000
Issuance of common stock under employee stock incentive plans	4	$ 4	0
Issuance of common stock under employee stock purchase plan (in shares)		46,000
Issuance of common stock under employee stock purchase plan	3,184		3,184
Purchased and retirement of common stock (in shares)		(1,000)
Purchase and retirement of common stock	(66)		(66)
Stock-based compensation	14,938		14,938
Net income	28,484			28,484
Other comprehensive loss	$ (697)				(697)
Ending balance (in shares) at Jan. 01, 2021	55,128,763	55,129,000
Ending balance at Jan. 01, 2021	$ 1,430,631	$ 551	1,092,723	340,939	(3,582)
Beginning balance (in shares) at Oct. 02, 2020		55,045,000
Beginning balance at Oct. 02, 2020	1,407,892	$ 550	1,082,044	328,253	(2,955)
Issuance of common stock under employee stock incentive plans (in shares)		38,000
Issuance of common stock under employee stock incentive plans	2	$ 1	1
Issuance of common stock under employee stock purchase plan (in shares)		46,000
Issuance of common stock under employee stock purchase plan	3,184		3,184
Stock-based compensation	7,494		7,494
Net income	12,686			12,686
Other comprehensive loss	$ (627)				(627)
Ending balance (in shares) at Jan. 01, 2021	55,128,763	55,129,000
Ending balance at Jan. 01, 2021	$ 1,430,631	$ 551	$ 1,092,723	$ 340,939	$ (3,582)