Other noncurrent assets (Tables)

6 Months Ended

Jun. 30, 2024

Other noncurrent assets

Other noncurrent assets

	December 31,		June 30,
	2023		2024
	(In millions)
Restricted cash and cash equivalents	$	32.4	$	32.3
Note receivables - OPA		69.1		66.8
Operating lease right-of-use assets		22.7		22.1
Land held for development		19.4		16.2
IBNR receivables		13.4		13.4
Pension asset		8.1		8.6
Other		16.7		21.5
Total	$	181.8	$	180.9