Discontinued Operations and gain on sale - Operations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Apr. 01, 2017	Mar. 31, 2018	Apr. 01, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net income from discontinued operations, net of tax	$ (4,462)	$ 181,851	$ (14,411)	$ 253,759
Disposal Group, Held-for-sale, Not Discontinued Operations | TS Business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues discontinued operations		1,056,676		5,432,140
Cost of sales		955,781		4,883,945
Gross profit		100,895		548,195
Selling, general and administrative expenses		105,622		430,003
Restructuring, integration and other expenses		(260)		7,280
Operating (loss) income		(4,467)		110,912
Interest and other expense, net		(13,662)		(24,292)
(Loss) income from discontinued operations before income taxes		(18,129)		86,620
Income tax expense		17,108		49,949
(Loss) income from discontinued operations, net of tax		(35,237)		36,671
Gain on sale of discontinued operations, net of tax		217,088		217,088
Net income from discontinued operations, net of tax		181,851		253,759
Disposal Group, Held-for-sale, Not Discontinued Operations | TS Business | Selling, General and Administrative Expenses
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Corporate expenses		$ 8,300		$ 34,900