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)		510,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	3	$ 5	(2)
Issuance of common stock under employee stock purchase plan (in shares)		41,000
Issuance of common stock under employee stock purchase plan	2,393	$ 1	2,392
Purchased and retirement of common stock (in shares)		(187,000)
Purchase and retirement of common stock	(15,683)	$ (2)	(15,681)
Stock-based compensation	19,244		19,244
Net income	58,488			58,488
Other comprehensive income	249
Ending balance (in shares) at Mar. 27, 2020		54,612,000
Ending balance at Mar. 27, 2020	1,349,433	$ 546	1,064,698	285,231	(1,042)
Beginning balance (in shares) at Dec. 27, 2019		54,558,000
Beginning balance at Dec. 27, 2019	1,317,056	$ 545	1,056,238	261,666	(1,393)
Issuance of common stock under employee stock incentive plans (in shares)		19,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	0
Issuance of common stock under employee stock purchase plan (in shares)		41,000
Issuance of common stock under employee stock purchase plan	2,393	$ 1	2,392
Purchased and retirement of common stock (in shares)		(6,000)
Purchase and retirement of common stock	(746)	$ 0	(746)
Stock-based compensation	6,814		6,814
Net income	23,565			23,565
Other comprehensive income	351				351
Ending balance (in shares) at Mar. 27, 2020		54,612,000
Ending balance at Mar. 27, 2020	$ 1,349,433	$ 546	1,064,698	285,231	(1,042)
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)		417,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	15	$ 5	10
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	22,393		22,393
Net income	44,119			44,119
Other comprehensive income	$ (449)				(449)
Ending balance (in shares) at Apr. 02, 2021	55,163,620	55,164,000
Ending balance at Apr. 02, 2021	$ 1,453,980	$ 552	1,100,188	356,574	(3,334)
Beginning balance (in shares) at Jan. 01, 2021		55,129,000
Beginning balance at Jan. 01, 2021	1,430,631	$ 551	1,092,723	340,939	(3,582)
Issuance of common stock under employee stock incentive plans (in shares)		35,000
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	11	$ 1	10
Stock-based compensation	7,455		7,455
Net income	15,635			15,635
Other comprehensive income	$ 248				248
Ending balance (in shares) at Apr. 02, 2021	55,163,620	55,164,000
Ending balance at Apr. 02, 2021	$ 1,453,980	$ 552	$ 1,100,188	$ 356,574	$ (3,334)