Intangible Assets	3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]
Intangible Assets	Intangible Assets Intangible assets are net of accumulated amortization of $184.6 million and $173.2 million at March 31, 2021 and December 31, 2020, respectively. The aggregate amortization expense for the three months ended March 31, 2021 and 2020 was $12.0 million and $11.9 million, respectively.

The entire disclosure for all or part of the information related to intangible assets.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-URI http://asc.fasb.org/topic&trid=2144416

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