Business realignment charges - Income statement location (Details) - USD ($) $ in Thousands	3 Months Ended
Sep. 30, 2018	Sep. 30, 2017
Cost of sales
Restructuring Cost and Reserve [Line Items]
Realignment charges and acquisition integration costs	$ 4,399	$ 9,115
Selling, general and administrative expenses
Restructuring Cost and Reserve [Line Items]
Realignment charges and acquisition integration costs	4,159	4,911
Other (income), net
Restructuring Cost and Reserve [Line Items]
Realignment charges and acquisition integration costs	$ 55	$ 0

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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