Fair Value Measurement - Narrative (Details)	3 Months Ended
	Mar. 31, 2020 USD ($) contract	Mar. 31, 2019 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accounts receivable, net	$ 707,700,000			$ 683,000,000.0
Accounts receivable, allowances	13,600,000			7,700,000
Increase in accounts receivable, allowances	5,900,000
Available for sale investments	48,500,000			50,700,000
Available for sale debt securities, amortized cost	48,000,000.0			50,100,000
Available for sale debt securities, allowance for credit losses	0
Available for sale debt securities, unrealized losses	100,000			100,000
Available for sale debt securities with unrealized losses	8,600,000			3,600,000
Trading securities	18,100,000			19,200,000
Purchase of trading securities related to deferred compensation plans	2,200,000	$ 2,200,000
Proceeds from securities sold	$ 800,000	$ 600,000
Number of foreign exchange contracts held (in contracts) | contract	31
Long-term debt, including current portion of long-term debt	$ 1,597,300,000			1,506,000,000.0
Forward exchange contract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative, notional amount	34,800,000
Senior Notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Current portion of long-term debt	37,500,000			34,400,000
Long-term debt, including current portion of long-term debt	1,634,800,000			1,540,400,000
Long-term debt, fair value	$ 1,651,400,000			$ 1,592,200,000
Accounting Standards Update 2016-13
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Accounts receivable, allowances			$ 1,300,000