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Goodwill and intangible assets (Tables)
 6 Months Ended
Dec. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Changes in carrying amount of goodwill The changes in the carrying amount of goodwill for the six months ended December 31, 2021 are as follows:
Diversified Industrial
Segment		Aerospace
Systems
Segment		Total
Balance at June 30, 2021$7,457,309 $602,378 $8,059,687 
Foreign currency translation and other(59,774)(12)(59,786)
Balance at December 31, 2021$7,397,535 $602,366 $7,999,901 
Intangible assets by major category The following summarizes the gross carrying value and accumulated amortization for each major category of intangible assets:
 December 31, 2021June 30, 2021
 Gross Carrying
Amount		Accumulated
Amortization		Gross Carrying
Amount		Accumulated
Amortization
Patents and technology$997,295 $239,347 $999,952 $216,314 
Trademarks756,405 346,209 762,130 331,905 
Customer lists and other3,841,777 1,666,309 3,869,772 1,563,838 
Total$5,595,477 $2,251,865 $5,631,854 $2,112,057