Current Expected Credit Losses (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Credit Loss [Abstract]
Accounts receivable, less allowances	$ 509,280	$ 544,257
Allowances for accounts receivable	$ 10,449	$ 8,109

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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