Condensed Consolidated Statement of Shareholders' Investment YTDPY - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Mar. 29, 2020	Mar. 31, 2019	Dec. 30, 2018	Mar. 29, 2020	Mar. 31, 2019	Dec. 29, 2019	Jun. 30, 2019	Jul. 01, 2018
Total Shareholders' Investment	$ 239,340	$ 507,543	$ 505,419	$ 239,340	$ 507,543	$ 399,530	$ 446,720	$ 570,424
Net Income (Loss)	(144,606)	8,005	(193,587)	(193,587)	(35,543)
Other Comprehensive Income (Loss), Net of Tax	(16,908)	(253)	(13,341)	(13,341)	(2,749)
Dividends, Common Stock, Cash		(5,895)	(4,248)		(17,492)
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax	345		1,103		1,819
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity	(58)	(241)	(482)		598
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation	599	490	1,880		1,886
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			(55)		(359)
Adjustments To Additional Paid In Capital Share Based Compensation Issued To Directors	438	526	1,350		896
Treasury Stock, Value, Acquired, Cost Method		(508)			(11,937)
Common Stock [Member]
Total Shareholders' Investment	579	579	579	579	579	579	579	579
Net Income (Loss)			0		0
Other Comprehensive Income (Loss), Net of Tax			0		0
Dividends, Common Stock, Cash			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity			0		0
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Issued To Directors			0		0
Treasury Stock, Value, Acquired, Cost Method					0
Additional Paid-in Capital [Member]
Total Shareholders' Investment	72,341	77,523	77,310	72,341	77,523	70,901	78,902	76,408
Net Income (Loss)			0		0
Other Comprehensive Income (Loss), Net of Tax			0		0
Dividends, Common Stock, Cash			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax			1,103		(43)
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity			(9,561)		(72)
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation			1,880		1,886
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			(597)		(879)
Adjustments To Additional Paid In Capital Share Based Compensation Issued To Directors			614		223
Treasury Stock, Value, Acquired, Cost Method					0
Retained Earnings [Member]
Total Shareholders' Investment	796,426	1,018,265	1,016,205	796,426	1,018,265	940,616	993,873	1,071,480
Net Income (Loss)			(193,587)		(35,543)
Other Comprehensive Income (Loss), Net of Tax			0		0
Dividends, Common Stock, Cash			4,248		17,492
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity			0		0
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			0		0
Dividends paid to directors on deferred shares, non-cash			388		(180)
Treasury Stock, Value, Acquired, Cost Method					0
AOCI Attributable to Parent [Member]
Total Shareholders' Investment	(305,891)	(255,021)	(254,768)	(305,891)	(255,021)	(288,983)	(292,550)	(252,272)
Net Income (Loss)			0		0
Other Comprehensive Income (Loss), Net of Tax			(13,341)		(2,749)
Dividends, Common Stock, Cash			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity			0		0
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Issued To Directors			0		0
Treasury Stock, Value, Acquired, Cost Method					0
Treasury Stock [Member]
Total Shareholders' Investment	$ (324,115)	$ (333,803)	(333,907)	$ (324,115)	(333,803)	$ (323,583)	$ (334,084)	$ (325,771)
Net Income (Loss)			0		0
Other Comprehensive Income (Loss), Net of Tax			0		0
Dividends, Common Stock, Cash			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Stock Option Activity Net Of Tax			0		1,862
Adjustments To Additional Paid In Capital Share Based Compensation Restricted Stock Activity			9,079		670
Adjustments To Additional Paid In Capital Amortization of Unearned Compensation			0		0
Adjustments To Additional Paid In Capital Share Based Compensation Deferred Stock Activity			542		520
Adjustments To Additional Paid In Capital Share Based Compensation Issued To Directors			$ 348		853
Treasury Stock, Value, Acquired, Cost Method					$ 11,937