Business Combinations and Asset Acquisitions (Details) € in Millions									3 Months Ended	12 Months Ended
	May 02, 2022 USD ($)	May 02, 2022 CAD ($)	Jan. 01, 2022 USD ($)	Dec. 01, 2021 USD ($)	Sep. 10, 2021 USD ($)	Sep. 10, 2021 EUR (€)	Aug. 13, 2021 USD ($)	Sep. 10, 2020 USD ($)	Jun. 30, 2020	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	May 02, 2022 CAD ($)	Sep. 10, 2021 EUR (€)	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired										$ 111,300,000	$ 22,600,000	$ 2,800,000
Ownership percentage in joint venture									50.00%
Goodwill										1,310,800,000	1,280,800,000	1,306,500,000			$ 1,298,300,000
Restricted Cash										$ 2,000,000.0	$ 6,900,000	$ 7,400,000
Minimum
Business Acquisition [Line Items]
Intangible assets useful life										4 years
Maximum
Business Acquisition [Line Items]
Intangible assets useful life										50 years
Appareo
Business Acquisition [Line Items]
Ownership percentage			50.00%
Appareo
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired			$ 62,100,000
Cash acquired from acquisition			500,000
Goodwill			$ 25,800,000
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage			50.00%
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain			$ 3,400,000
Equity Method Investments, Fair Value Disclosure			$ 11,200,000
Creatives Sites Media
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired				$ 5,700,000
Goodwill				$ 5,700,000
Faromatics
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired					$ 5,500,000	€ 4.6
Cash acquired from acquisition					100,000	€ 0.1
Goodwill					2,200,000									€ 1.8
Restricted Cash					$ 900,000									€ 0.8
Number of months in which remaining payment is due for the acquisition					18 months									18 months
Faromatics | Technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 5,200,000									€ 4.4
Headsight
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired							$ 16,800,000
Goodwill							8,900,000
Finite-lived intangible assets acquired							$ 4,800,000
151 Research
Business Acquisition [Line Items]
Purchase of businesses, net of cash acquired								$ 2,800,000
Goodwill								7,200,000
Contingent consideration liability								$ 4,400,000
Headsight and Faromatics
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					10,000,000.0
Headsight and Faromatics | Technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 6,100,000
Headsight and Faromatics | Technology | Minimum
Business Acquisition [Line Items]
Intangible assets useful life					10 years	10 years
Headsight and Faromatics | Technology | Maximum
Business Acquisition [Line Items]
Intangible assets useful life					15 years	15 years
Headsight and Faromatics | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 3,200,000
Intangible assets useful life					7 years	7 years
Headsight and Faromatics | Trademarks
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 700,000
Intangible assets useful life					7 years	7 years
JCA
Business Acquisition [Line Items]
Goodwill	$ 34,000,000												$ 43,900,000
Payments to acquire businesses	$ 49,200,000	$ 63,000,000
JCA and Appareo
Business Acquisition [Line Items]
Finite-lived intangible assets acquired										$ 37,900,000
JCA and Appareo | Technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired										$ 15,400,000
Intangible assets useful life										8 years
JCA and Appareo | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible assets acquired										$ 15,400,000
Intangible assets useful life										10 years
JCA and Appareo | Trademarks
Business Acquisition [Line Items]
Finite-lived intangible assets acquired										$ 5,700,000
Intangible assets useful life										10 years
JCA and Appareo | Noncompete Agreements
Business Acquisition [Line Items]
Finite-lived intangible assets acquired										$ 1,400,000
Intangible assets useful life										5 years