Revenue Recognition (Tables)

9 Months Ended

Sep. 30, 2022

Revenue from Contract with Customer [Abstract]

Contract with Customer, Asset and Liability

Contract Balances: The timing of revenue recognition, billings, and cash collections resulted in the following contract assets and contract liabilities:

(Thousands)	September 30, 2022		December 31, 2021		$ change		% change
Accounts receivable, trade	$	229,171	$	213,584	$	15,587	7	%
Unbilled receivables	9,654		7,961		1,693		21	%
Unearned revenue	6,596		7,770		(1,174)		(15)	%