Receivables

6 Months Ended

Jun. 30, 2024

Receivables [Abstract]

Receivables

9. Receivables

Receivables consisted of the following (in millions):

	June 30, 2024			December 31, 2023
Trade receivables - U.S. government	$	98.0		$	67.7
Trade receivables - other		1,441.1			1,160.6
Other receivables		114.4			119.2
Total receivables, gross		1,653.5			1,347.5
Less allowance for doubtful accounts		(9.9	)		(7.4	)
Total receivables, net	$	1,643.6		$	1,340.1

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

	June 30, 2024		December 31, 2023
Current receivables	$	1,619.9	$	1,316.4
Non-current receivables		23.7		23.7
Total receivables, net	$	1,643.6	$	1,340.1

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

	Three Months Ended June 30,					Six Months Ended June 30,
	2024		2023			2024			2023
Allowance at beginning of period	$	7.2	$	7.1		$	7.4		$	6.7
Provision for doubtful accounts, net of recoveries		2.7		0.2			3.0			0.6
Charge-off of accounts		—		(0.1	)		(0.5	)		(0.1	)
Allowance at end of period	$	9.9	$	7.2		$	9.9		$	7.2