Business realignment and acquisition integration charges - Acquisition integration charges related to the Lord and Exotic acquisitions (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Diversified Industrial
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 2,631	$ 8,364	$ 9,495	$ 18,503
Aerospace Systems
Restructuring Cost and Reserve [Line Items]
Acquisition integration charges	$ 24	$ 486	$ 699	$ 1,570

Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

No definition available.

Name:	us-gaap_BusinessCombinationIntegrationRelatedCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration