Goodwill and long-lived assets Textuals (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 30, 2019	Mar. 31, 2018	Mar. 30, 2019	Mar. 31, 2018
Goodwill and long-lived assets
Goodwill impairment expense		$ 181,440		$ 181,440
Weighted average life of intangible assets			2 years
Intangible asset amortization expense	$ 21,900	$ 22,600	$ 63,123	$ 69,860

Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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