The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585

Name:	us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Goodwill and Other Intangible Assets (Q1 2021 Acquisitions) (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 10, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Combinations [Line Items]
Cash, net of cash acquired and other		$ 24,971	$ 179,481	$ 6,684
2021 Acquisitions [Member] \| Subsequent Event [Member]
Business Combinations [Line Items]
Cash, net of cash acquired and other	$ 110,000