Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
New Accounting Pronouncement, Early Adoption [Line Items]
Accounts Receivable Factored				$ 100,000
Receivables (included in Trade receivables)	$ 951,138			951,138		$ 892,625
Trade receivables	928,625			928,625		876,197
Trade receivables allowances	22,513			$ 22,513		16,428
Percentage of outstanding receivables less than 90 days				87.00%
Percentage of outstanding receivables by over 365 days				1.00%
Allowance for bad debt expense				$ 7,443
Accounting Standards Update 2016-13
New Accounting Pronouncement, Early Adoption [Line Items]
Trade receivables allowances						8,200
Trade Accounts Receivable With Factoring Agreements [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Receivables (included in Trade receivables)	209,300			209,300		$ 205,700
Proceeds From Sale Of Accounts Receivable				3,600	$ 36,800
Payments To Participate In Factoring Receivable Program	$ 1,100		$ 1,700	$ 3,100	$ 4,700
Pandemic
New Accounting Pronouncement, Early Adoption [Line Items]
Allowance for bad debt expense		$ 3,000