Common Stock and Stock-Based Compensation Stock Based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Share Repurchases [Table Text Block]

Share repurchase activity under the authorized program is as follows:

	Shares Repurchased			Remaining Authorization to Repurchase
Period	Number of Shares	Cost (in millions)		Cost (in millions)
September 9, 2021 Authorization				$	250.0
September 9, 2021 through September 30, 2021	—	$	—	$	250.0
October 1, 2021 through December 31, 2021	5,155,491	151.9		$	98.1	(1)
January 1, 2022 through March 31, 2022	—	—		$	98.1	(1)
Total	5,155,491	$	151.9

(1) Remaining authorization includes $25.0 million of committed share repurchases under the terms of the ASR. Approximately $73.1 million of the share repurchase program will remain after the completion of the ASR.

Share-based Payment Arrangement, Activity [Table Text Block]

The following table summarizes stock-based compensation awards granted during the three months ended March 31, 2022:

	Number of Shares Granted	Weighted Average Grant-Date Fair Value per Award
Restricted stock units	648	$	30.87
Performance units	108,127	$	38.26