Description of Business and Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) segments number	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Goodwill [Line Items]
Number of Reporting Units | number	15
Goodwill, Impairment Loss	$ 0	$ 0	$ 0
Description of Business [Abstract]
Number of Reportable Segments | segments	5
Cash and Cash Equivalents [Abstract]
Maturity Period Of Cash Equivalent (in months)	three months or less
Share-based Compensation [Abstract]
Vesting period (in years)	3 years
Research and Development [Abstract]
Research and Development Expense as a Percent of Revenue	0.021	0.020	0.020
Research and development expense	$ 142,101,000	$ 140,957,000	$ 143,033,000
Advertising [Abstract]
Advertising expense	21,375,000	$ 24,609,000	$ 26,831,000
Risk, Retention, Insurance [Abstract]
Maximum Limit For Self Insurance Product Commercial General Liability Claims	5,000,000.0
Maximum Limit For Self Insurance Workers Compensation Claims Expected	800,000
Maximum Limit For Self Insurance Automobile Liability Claims	$ 1,000,000.0
Other Intangible Assets [Member] | Minimum [Member]
Goodwill [Line Items]
Other intangible assets, useful life	5 years
Other Intangible Assets [Member] | Maximum [Member]
Goodwill [Line Items]
Other intangible assets, useful life	20 years