Summary Of Major Accounting Policies (Details)-Allowance for Credit Losses - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2020
Accounting Policies [Abstract]
Accounts Receivable, Allowance for Credit Loss	$ 900,000	$ 3,900,000	$ 7,500,000	$ 2.3
Interest Receivable	1,200,000	1,500,000
Financing Receivable, Allowance for Credit Loss	300,000	600,000
Financing Receivable, Allowance for Credit Loss, Writeoff	$ (53,000,000)	(11,000,000)
HistoricalCreditLossAnalysisPeriod	3 years
Accounts Receivable, Allowance for Credit Loss, Writeoff	$ 29,549,000
Contract Assets, Allowance for Credit Losses, Write Off	(38,032,000)
Valuation Allowance [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	53,000,000	11,000,000
Allowance for Loan and Lease Losses, Period Increase (Decrease)	50,000,000	3,000,000
Increase (Decrease) in Inventories	7,313,000	$ 26,466,000	$ (11,777,000)
Manufactured Products
Accounting Policies [Abstract]
Financing Receivable, Allowance for Credit Loss, Writeoff	(49,000,000)
Accounts Receivable, Allowance for Credit Loss, Writeoff	29,549,000
Contract Assets, Allowance for Credit Losses, Write Off	(38,000,000)
Valuation Allowance [Line Items]
Financing Receivable, Allowance for Credit Loss, Writeoff	49,000,000
Increase (Decrease) in Inventories	$ 20,000,000