Nature of Operations and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
New Accounting Pronouncement, Early Adoption [Line Items]
Accounts Receivable Factored				$ 100,000
Receivables (included in Trade receivables)	$ 982,624			982,624		$ 892,625
Trade receivables	961,568			961,568		876,197
Trade receivables allowances	21,056			$ 21,056		16,428
Percentage of outstanding receivables less than 90 days				85.00%
Percentage of outstanding receivables by over 365 days				1.00%
Allowance for bad debt expense				$ 5,728
Accounting Standards Update 2016-13
New Accounting Pronouncement, Early Adoption [Line Items]
Trade receivables						8,200
Trade receivables allowances						8,200
Trade Accounts Receivable With Factoring Agreements [Member]
New Accounting Pronouncement, Early Adoption [Line Items]
Receivables (included in Trade receivables)	213,400			213,400		$ 205,700
Proceeds From Sale Of Accounts Receivable				7,700	$ 8,400
Payments To Participate In Factoring Receivable Program	$ 900		$ 1,300	$ 2,000	$ 2,500
Pandemic
New Accounting Pronouncement, Early Adoption [Line Items]
Allowance for bad debt expense		$ 3,000