Retirement Benefits - Narrative (Details) - USD ($) $ in Thousands				12 Months Ended
	Jan. 01, 2022	Dec. 31, 2021	Jan. 01, 2021	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Required cash balance				$ 49,000
Number of shares invested by employees in company stock				1,115,612
Defined contribution plan, annual contributions per employee not grandfathered			3.00%
Defined contribution plan expense recognized				$ 63,000	$ 57,000	$ 42,000
Company matching contributions				104,237	87,554	66,249
Meggitt plc
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Defined contribution plan expense recognized				11,000
Company matching contributions				$ 9,000
United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Percentage of assets held in U.S. defined benefit plans from total defined plan assets				65.00%
Maximum
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Maximum percentage of employer 401K matching contribution	5.00%	4.00%
Mutual funds measured at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments valued using a net asset value per share, extension period				2 years
Common/Collective trusts measured at net asset value
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments valued using a net asset value per share, redemption notice period				90 days
Limited Partnership
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Investments valued using a net asset value per share, redemption notice period				90 days
Investments valued using a net asset value per share, redemption restriction				20.00%
Investments valued using a net asset value per share, redemption restriction, frequency period				6 months
Equity securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average target asset allocation				39.00%
Debt securities
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average target asset allocation				45.00%
Other investments
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Weighted-average target asset allocation				16.00%
Equity securities, U.S. based companies
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Company stock included in U.S. based company equity securities				$ 519,000	327,000
Pension Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Accumulated benefit obligation for all defined benefit plans				5,700,000	4,800,000
Expected cash contributions to defined benefit pension plans in next fiscal year				171,000
Estimated future benefit payments in the year ending June 30, 2024				413,000
Estimated future benefit payments in the year ending June 30, 2025				413,000
Estimated future benefit payments in the year ending June 30, 2026				380,000
Estimated future benefit payments in the year ending June 30, 2027				387,000
Estimated future benefit payments in the year ending June 30, 2028				388,000
Estimated future benefit payments in the aggregate for the five years ending June 30, 2029 through June 30, 2033				2,000,000
Expense related to other postretirement benefits				$ (12,630)	$ 80,399	132,324
Pension Plan | United States
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Discount rate				4.88%	4.36%
Other Postretirement Benefits Plan
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Estimated future benefit payments in the year ending June 30, 2024				$ 8,000
Estimated future benefit payments in the year ending June 30, 2025				7,000
Estimated future benefit payments in the year ending June 30, 2026				7,000
Estimated future benefit payments in the year ending June 30, 2027				7,000
Estimated future benefit payments in the year ending June 30, 2028				7,000
Estimated future benefit payments in the aggregate for the five years ending June 30, 2029 through June 30, 2033				29,000
Expense related to other postretirement benefits				$ 2,000	$ 1,000	1,000
Discount rate				4.86%	4.26%
Other
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Deferred compensation (income) expense				$ 20,000	$ (21,000)	$ 45,000