Share Repurchases	12 Months Ended
	Dec. 31, 2021
Equity [Abstract]
Share Repurchases	Share RepurchasesOur Board of Directors previously authorized a share repurchase program, which allows us to purchase up to $300.0 million of our common stock through open market repurchases, negotiated transactions, or other means, in accordance with applicable securities laws and other restrictions. During 2019, we repurchased 0.9 million shares of our common stock under the program for an aggregate cost of $50.0 million and an average price per share of $56.19. During 2020, we repurchased 1.0 million shares of our common stock under the share repurchase program for an aggregate cost of $35.0 million at an average price per share of $35.83. During 2021, we did not repurchase shares of our common stock under the share repurchase program.