Receivables (Tables)

9 Months Ended

Sep. 30, 2024

Receivables [Abstract]

Schedule of Receivables

Receivables consisted of the following (in millions):

	September 30, 2024			December 31, 2023
Trade receivables - U.S. government	$	89.8		$	67.7
Trade receivables - other		1,419.2			1,160.6
Other receivables		100.7			119.2
Total receivables, gross		1,609.7			1,347.5
Less allowance for doubtful accounts		(10.3	)		(7.4	)
Total receivables, net	$	1,599.4		$	1,340.1

Classification of Receivables in the Condensed Consolidated Balance Sheets

Classification of receivables in the Condensed Consolidated Balance Sheets consisted of the following (in millions):

	September 30, 2024		December 31, 2023
Current receivables	$	1,576.3	$	1,316.4
Non-current receivables		23.1		23.7
Total receivables, net	$	1,599.4	$	1,340.1

Schedule of Allowance for Doubtful Accounts

Changes in the Company’s allowance for doubtful accounts were as follows (in millions):

	Three Months Ended September 30,					Nine Months Ended September 30,
	2024		2023			2024			2023
Allowance at beginning of period	$	9.9	$	7.2		$	7.4		$	6.7
Acquisition of businesses		—		1.8			—			1.8
Provision for doubtful accounts, net of recoveries		0.4		(0.2	)		3.4			0.4
Charge-off of accounts		—		(0.8	)		(0.5	)		(0.9	)
Allowance at end of period	$	10.3	$	8.0		$	10.3		$	8.0