Note 11 - Stock Compensation - Award Activity (Details) shares in Millions	12 Months Ended
	Dec. 31, 2022 $ / shares shares
Share-Based Payment Arrangement, Option [Member]
Balance, shares (in shares)	0.2
Balance, weighted-average exercise price (in dollars per share) | $ / shares	$ 16.18
Options granted, shares (in shares)
Options exercised or vested, shares (in shares)
Options exercised or vested, weighted-average exercise price (in dollars per share) | $ / shares		[1]
Options forfeited or expired, shares (in shares)
Balance, shares (in shares)	0.2
Balance, weighted-average exercise price (in dollars per share) | $ / shares	$ 16.19
Restricted Stock Units (RSUs) [Member]
Outstanding or Nonvested at beginning of period, other than options, shares (in shares)	2.4
Outstanding or nonvested at beginning of period, other than options, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.25
Granted, other than options, shares (in shares)	0.9
Outstanding or nonvested, other than options, granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 22.21	[1]
Exercised or vested, other than options, shares (in shares)	(1.0)
Outstanding or nonvested, other than options, exercised or vested, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.98	[1]
Forfeited or expired, other than options, shares (in shares)
Outstanding or nonvested at end of period, other than options, shares (in shares)	2.3
Outstanding or nonvested at end of period, other than options, weighted average grant date fair value (in dollars per share) | $ / shares	$ 18.95
Performance Share Units [Member]
Outstanding or Nonvested at beginning of period, other than options, shares (in shares)	0.5
Outstanding or nonvested at beginning of period, other than options, weighted average grant date fair value (in dollars per share) | $ / shares	$ 17.71
Granted, other than options, shares (in shares)	0.3
Outstanding or nonvested, other than options, granted, weighted average grant date fair value (in dollars per share) | $ / shares	$ 24.69	[1]
Exercised or vested, other than options, shares (in shares)
Outstanding or nonvested, other than options, exercised or vested, weighted average grant date fair value (in dollars per share) | $ / shares		[1]
Forfeited or expired, other than options, shares (in shares)	(0.4)
Outstanding or nonvested, other than options, forfeited or expired, weighted average grant date fair value (in dollars per share) | $ / shares	$ 14.77	[1]
Outstanding or nonvested at end of period, other than options, shares (in shares)	0.4
Outstanding or nonvested at end of period, other than options, weighted average grant date fair value (in dollars per share) | $ / shares	$ 25.52

[1] Weighted-average per share