Stock-based Compensation - Schedule of Stock Options Roll Forward (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Beginning balance (in shares) | shares	3,000,000.0
Granted (in shares) | shares	0
Exercised (in shares) | shares	(300,000)
Forfeited (in shares) | shares	(200,000)
Ending balance (in shares) | shares	2,500,000
Weighted-Average Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 25.92
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	15.07
Forfeited (in dollars per share) | $ / shares	28.88
Ending balance (in dollars per share) | $ / shares	$ 27.34
Awards (in millions)
Vested and expected to vest (in shares) | shares	2,500,000
Vested and expected to vest, weighted average exercise price (in dollars per share) | $ / shares	$ 27.34
Vested and expected to vest, aggregate intrinsic value | $	$ 6.4
Vested and expected to vest, weighted average remaining contractual term (in years)	4 years 6 months 3 days
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Exercisable (in shares) | shares	2,000,000.0
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 27.30
Exercisable, aggregate intrinsic value | $	$ 5.8
Exercisable, weighted average remaining contractual term (in years)	3 years 8 months 15 days