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

3 Months Ended

Mar. 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):

	March 31, 2022		December 31, 2021
Contract billings	$	910.4	$	1,027.1
Less allowance	(7.9)		(7.8)
Accounts receivable, net of allowance	$	902.5	$	1,019.3
Retainage	272.9		296.8
Unbilled receivables	1,051.4		931.1
Contract assets	$	1,324.3	$	1,227.9