Financial instruments and fair value measurements (Tables)

12 Months Ended

Dec. 31, 2022

Fair Value Disclosures [Abstract]

Schedule of gross amounts and fair values of debt instruments

The following table presents the gross amounts, which exclude unamortized deferred financing costs, and the fair values of debt instruments:

(in millions)	December 31, 2022				December 31, 2021
	Gross amount		Fair value		Gross amount		Fair value
Receivables facility	$	327.2	$	327.2	$	—	$	—
Senior secured credit facilities:
Euro term loans B-3	—		—		133.9		133.7
Euro term loans B-4	636.7		627.5		684.9		683.6
Euro term loans B-5	342.0		340.7		367.9		367.7
U.S. dollar term loans B-4	—		—		229.3		224.9
U.S. dollar term loans B-5	1,488.3		1,485.5		2,063.9		2,029.1
2.625% secured notes	694.5		658.5		739.6		758.2
3.875% unsecured notes	800.0		672.0		800.0		810.9
3.875% unsecured notes	427.3		396.5		455.1		475.3
4.625 % unsecured notes	1,550.0		1,407.6		1,550.0		1,629.8
Finance lease liabilities	68.9		68.9		71.2		71.2
Other	14.2		14.2		17.4		17.4
Total	$	6,349.1	$	5,998.6	$	7,113.2	$	7,201.8

The fair values of debt instruments are based on standard pricing models that take into account the present value of future cash flows, and in some cases private trading data, which are level 2 measurements.

Schedule of changes to contingent consideration liabilities

The following table presents changes to contingent consideration liabilities:

(in millions)	Year ended December 31,
	2022		2021
Beginning balance	$	5.7	$	—
Acquisitions	—		6.1
Changes to estimated fair value	(4.4)		—
Cash payments	—		—
Currency translation	(0.1)		(0.4)
Ending balance	$	1.2	$	5.7