Goodwill and intangible assets - Intangible assets (Detail) - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2017	Jun. 30, 2016
Finite-Lived Intangible Asset
Gross Carrying Amount	$ 3,325,902	$ 1,854,240
Accumulated Amortization	987,538	931,669
Intangible amortization expense	87,724
Estimated amortization expense, year ending June 30, 2017	138,099
Estimated amortization expense, year ending June 30, 2018	220,921
Estimated amortization expense, year ending June 30, 2019	214,725
Estimated amortization expense, year ending June 30, 2020	207,500
Estimated amortization expense, year ending June 30, 2021	199,525
Patents
Finite-Lived Intangible Asset
Gross Carrying Amount	258,979	150,914
Accumulated Amortization	94,826	95,961
Trademarks
Finite-Lived Intangible Asset
Gross Carrying Amount	588,978	340,805
Accumulated Amortization	188,117	179,156
Customer lists and other
Finite-Lived Intangible Asset
Gross Carrying Amount	2,477,945	1,362,521
Accumulated Amortization	$ 704,595	$ 656,552