Stock Repurchase Program (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Summary of Share Repurchase Activity and Remaining Authorized Repurchase Amounts

Share repurchase activity under the stock repurchase programs for the years ended December 31, 2021 and 2020 was as follows:

(millions, except for share and per share data)	December 31, 2021		December 31, 2020
Total number of shares repurchased		—		393,975
Average price paid per share	$	—	$	38.78
Total value of stock repurchased	$	—	$	15.3

The remaining authorized repurchase amounts in the aggregate under the July 2019 and March 2020 repurchase programs as of December 31, 2021 was as follows:

(millions)	December 31, 2021
Total authorized repurchase amount	$	100.00
Total value of shares repurchased		40.6
Total remaining authorized repurchase amount	$	59.4