Subsequent Event Subsequent Events (Notes)	3 Months Ended
Mar. 31, 2021
Subsequent Events [Abstract]
Subsequent Events [Text Block]	Subsequent EventsOn April 15, 2021, the Company completed the redemption of all of its outstanding 2025 Senior Notes, paying cash of $314.6 million to redeem the $300.0 million outstanding principal amount, plus a $7.3 million redemption premium and $7.3 million of accrued interest through the date of the redemption.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

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