Accounts Receivable, Net of Allowance, and Contract Assets and Liabilities (Tables)

12 Months Ended

Dec. 31, 2022

Receivables [Abstract]

Schedule of Accounts Receivable, Net of Allowance, and Contract Assets

The following table provides details of accounts receivable, net of allowance, and contract assets (together “accounts receivable, net”) as of the dates indicated (in millions):

	December 31,
	2022		2021
Contract billings	$	1,408.1	$	1,027.1
Less allowance	(8.4)		(7.8)
Accounts receivable, net of allowance	$	1,399.7	$	1,019.3
Retainage	$	401.9	$	296.8
Unbilled receivables	1,328.0		931.1
Contract assets	$	1,729.9	$	1,227.9