Long-Term Debt and Commitments, Long-Term Debt (Details) $ in Millions		3 Months Ended			12 Months Ended
	Apr. 29, 2022 USD ($) Loan	Mar. 31, 2024 USD ($) qtr		Apr. 02, 2023 USD ($)	Dec. 31, 2027 Loan	Dec. 31, 2025 Loan	Dec. 31, 2023 USD ($)		Aug. 11, 2022 USD ($)	Jun. 30, 2020 USD ($)	Apr. 18, 2018 USD ($)	Feb. 14, 2017 USD ($)
Long-Term Debt and Commitments [Abstract]
Long-term debt		$ 925.8					$ 929.1
Repayment of long-term debt		3.6		$ 3.8
Short-term debt		$ 75.7	[1]				85.4	[2]
Senior Secured Credit Facilities [Member]
Long-Term Debt and Commitments [Abstract]
Number of quarters to maintain net leverage ratio under financial covenant | qtr		4
Senior Secured Credit Facilities [Member] | Minimum [Member]
Long-Term Debt and Commitments [Abstract]
Interest coverage ratio		3
Senior Secured Credit Facilities [Member] | Maximum [Member]
Long-Term Debt and Commitments [Abstract]
Net leverage ratio under financial covenant		4
Net leverage ratio under financial covenant in connection with certain significant acquisitions		5
Term Loan due 2027 [Member]
Long-Term Debt and Commitments [Abstract]
Face amount									$ 550.0
Adjustment to applicable margin, Category a		0.25%
Adjustment to applicable margin, Category b		(0.125%)
Adjustment to applicable margin, Category c		(0.25%)
Long-term debt		$ 527.1					$ 530.4
Term Loan due 2027 [Member] | Minimum [Member]
Long-Term Debt and Commitments [Abstract]
Net leverage ratio, Category a		3
Net leverage ratio, Category b		1
Term Loan due 2027 [Member] | Maximum [Member]
Long-Term Debt and Commitments [Abstract]
Net leverage ratio, Category b		2
Net leverage ratio, Category c		1
Term Loan due 2027 [Member] | SOFR [Member]
Long-Term Debt and Commitments [Abstract]
Credit spread adjustment		0.10%
Applicable margin		1.50%
Term Loan due 2027 [Member] | Base Rate [Member]
Long-Term Debt and Commitments [Abstract]
Applicable margin		0.50%
Revolving Facility [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity									$ 300.0
Commitment fee		0.25%
Commitment fee, Category a		0.30%
Commitment fee, Category b		0.175%
Commitment fee, Category c		0.15%
Fronting fee		0.125%
Long-term debt		$ 75.0
Letters of credit outstanding		$ 9.1
Term Loan due 2024 [Member]
Long-Term Debt and Commitments [Abstract]
Face amount												$ 788.0
Revolving Facility [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity											$ 300.0
Senior Notes due 2028 [Member]
Long-Term Debt and Commitments [Abstract]
Face amount										$ 400.0
Interest rate		5.00%					5.00%
Guarantee amount		$ 50.0
Senior Notes due 2028 [Member] | Redemption of Notes if Company Experiences Change of Control [Member]
Long-Term Debt and Commitments [Abstract]
Redemption price percentage		101.00%
Japan Loan Facility [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt		$ 1.2
Repayment of long-term debt		0.1
Austria and Slovakia Term Loans [Member]
Long-Term Debt and Commitments [Abstract]
Number of term loans assumed | Loan	2
Austria and Slovakia Term Loans [Member] | Plan [Member]
Long-Term Debt and Commitments [Abstract]
Number of term loans that mature | Loan					1	1
Austria and Slovakia Term Loans [Member] | Concept Pet [Member]
Long-Term Debt and Commitments [Abstract]
Long-term debt assumed as part of acquisition	$ 1.9
Repayment of long-term debt		0.0
Uncommitted Short-Term Bank Credit Lines [Member]
Long-Term Debt and Commitments [Abstract]
Maximum borrowing capacity		25.3
Short-term debt		$ 0.7

[1] Unaudited

[2] Condensed from audited financial statements