Revenue recognition - Revenues by segment and by platform (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 3,746,326	$ 3,702,432	$ 10,388,771	$ 10,534,917
Diversified Industrial Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts	3,147,382	2,957,851	8,631,246	8,424,242
Diversified Industrial Segment | Motion Systems
Disaggregation of Revenue [Line Items]
Revenues from contracts	820,514	778,840	2,197,971	2,297,961
Diversified Industrial Segment | Flow and Process Control
Disaggregation of Revenue [Line Items]
Revenues from contracts	1,081,570	1,015,430	2,955,643	2,969,033
Diversified Industrial Segment | Filtration and Engineered Materials
Disaggregation of Revenue [Line Items]
Revenues from contracts	1,245,298	1,163,581	3,477,632	3,157,248
Aerospace Systems Segment
Disaggregation of Revenue [Line Items]
Revenues from contracts	598,944	744,581	1,757,525	2,110,675
Aerospace Systems Segment | Flight Control Actuation
Disaggregation of Revenue [Line Items]
Revenues from contracts	174,067	175,871	499,432	529,553
Aerospace Systems Segment | Fuel, Inerting and Engine Motion Control
Disaggregation of Revenue [Line Items]
Revenues from contracts	129,866	159,837	384,937	471,525
Aerospace Systems Segment | Hydraulics
Disaggregation of Revenue [Line Items]
Revenues from contracts	75,430	114,763	222,193	333,523
Aerospace Systems Segment | Engine Components
Disaggregation of Revenue [Line Items]
Revenues from contracts	145,819	181,173	436,119	454,572
Aerospace Systems Segment | Airframe and Engine Fluid Conveyance
Disaggregation of Revenue [Line Items]
Revenues from contracts	49,190	83,555	141,737	247,356
Aerospace Systems Segment | Other
Disaggregation of Revenue [Line Items]
Revenues from contracts	$ 24,572	$ 29,382	$ 73,107	$ 74,146