Goodwill and long-lived assets Intangible Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Jul. 01, 2017
Finite-Lived Intangible Assets [Line Items]
Acquired amount	$ 417,239	$ 375,149
Accumulated Amortization	(126,277)	(97,858)
Net Book Value	290,962	277,291
Customer related
Finite-Lived Intangible Assets [Line Items]
Acquired amount	307,712	277,865
Accumulated Amortization	(101,512)	(79,578)
Net Book Value	206,200	198,287
Trade name
Finite-Lived Intangible Assets [Line Items]
Acquired amount	55,947	46,915
Accumulated Amortization	(10,122)	(6,720)
Net Book Value	45,825	40,195
Technology and other
Finite-Lived Intangible Assets [Line Items]
Acquired amount	53,580	50,369
Accumulated Amortization	(14,643)	(11,560)
Net Book Value	$ 38,937	$ 38,809