Accounts Payable and Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2021

Accounts Payable and Accrued Liabilities [Abstract]

Schedule of accounts payable and accrued expenses

Accounts payable and accrued expenses consisted of the following at December 31 (in millions):

	2021		2020
Accounts payable	5.0		6.7
Accrued expenses	23.4		17.8
Accrued interest payable	6.8		6.8
Total accounts payable and accrued expenses	$	35.2	$	31.3