Long-term Debt (Tables)

3 Months Ended

Mar. 31, 2022

Debt Disclosure [Abstract]

Summary of Long-Term Debt

	March 31, 2022		December 31, 2021
	(In millions)
Term loan, bearing interest at variable rates (rate of 2.21% as of March 31, 2022), maturing in September 2023	$	275.6	$	282.2
Unamortized deferred financing costs	(0.7)		(0.8)
Total senior debt	274.9		281.4
Convertible senior notes, bearing interest at 2.25% per annum, interest payments due in June and December, maturing in December 2023	145.9		145.9
Unamortized discount and deferred financing costs	(0.7)		(9.4)
Total convertible senior notes	145.2		136.5
Finance leases	42.9		43.4
Total other debt	42.9		43.4
Total debt, net of unamortized discount and deferred financing costs	463.0		461.3
Less: Amounts due within one year	(177.3)		(166.7)
Total long-term debt, net of unamortized discount and deferred financing costs	$	285.7	$	294.6

The following table summarizes information regarding the 2¼% Notes (in millions, except years, percentages, conversion rate, and conversion price):

	March 31, 2022			December 31, 2021
Remaining amortization period (years)	1.75			2.0
Effective interest rate	2.6		%	5.8		%
Conversion rate (shares of common stock per $1,000 principal amount)	38.4615			38.4615
Conversion price (per share of common stock)	$	26.00		$	26.00

The following table presents the interest expense components for the 2¼% Notes:

	Three months ended March 31,
	2022		2021
	(In millions)
Interest expense-contractual interest	$	0.8	$	0.8
Interest expense-amortization of debt discount (see discussion above)	—		1.1
Interest expense-amortization of deferred financing costs	0.1		0.1