Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 30, 2018
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (31,081)	$ 176,337	$ (156,424)
Other comprehensive (loss) income, net of tax:
Foreign currency translation and other	(56,682)	(63,621)	7,799
Pension adjustments, net	(27,659)	(45,067)	40,716
Total comprehensive (loss) income	$ (115,422)	$ 67,649	$ (107,909)