Share-Based Compensation Level 3 (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

The fair values of our stock options are calculated using the following weighted average assumptions, based on the methods described above:

	Years Ended December 31,
Assumptions	2021	2020	2019
Dividend yield	1.8%	1.7%	1.7%
Expected volatility	23.5%	18.0%	19.8%
Risk-free interest rate	0.4%	1.4%	2.5%
Expected holding period (years)	4.0	3.7	4.0

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

The following table summarizes certain information with respect to stock option and restricted share compensation included in our Consolidated Statement of Operations:

	Years Ended December 31,
	2021		2020		2019
	(In thousands)
Total pretax employee share-based compensation expense included in net income	$	14,168	$	14,103	$	15,029
Income tax benefit related to share-based compensation included in net income	$	3,537	$	3,417	$	3,842

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

The following table sets forth stock option activity for the year ended December 31, 2021 (shares reported in whole numbers):

	Options	Weighted-Average Exercise Price
Outstanding at December 31, 2020	6,912,065	$	32.34
Granted	652,290	$	49.59
Exercised	(1,641,663)	$	24.17
Outstanding at December 31, 2021	5,922,692	$	36.50
Exercisable at December 31, 2021	4,375,143	$	32.10

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

Set forth below is certain information related to stock options outstanding and exercisable at December 31, 2021 (shares reported in whole numbers):

	Options Outstanding				Options Exercisable
Range of Exercise Price	Number Outstanding at December 31, 2021	Weighted-Average Remaining Contractual Life (in years)	Weighted- Average Exercise Price		Number Exercisable at December 31, 2021	Weighted- Average Exercise Price
$0.00 — 25.00	1,425,927	1.8	$	22.54	1,425,927	$	22.54
$25.01 — 35.00	1,087,720	3.1	$	29.25	1,087,720	$	29.25
$35.01 — 45.00	1,809,995	4.6	$	39.65	1,552,021	$	39.16
$45.01 — 55.00	1,599,050	6.5	$	50.32	309,475	$	50.82
$0.00 — 55.00	5,922,692	4.2	$	36.50	4,375,143	$	32.10

Other Information Pertaining to Stock Option Activity [Table Text Block]

Other information pertaining to stock options was as follows (in thousands, except weighted-average grant date fair value):

	Years Ended December 31,
	2021		2020		2019
Weighted average grant-date fair value of stock options granted	$	7.50	$	6.44	$	6.86
Total fair value of stock options vested	$	5,708	$	5,535	$	7,250
Total intrinsic value of stock options exercised	$	59,180	$	41,995	$	65,023
Cash received from the exercise of stock options	$	39,354	$	26,671	$	40,922
Recognized compensation expense	$	5,514	$	5,668	$	6,314

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

Restricted share award activity was as follows (share awards reported in whole numbers):

	Restricted Share Awards	Weighted-Average Grant-Date Fair Value
Nonvested restricted share awards at December 31, 2020	243,529	$	45.52
Granted	113,359	$	49.59
Vested	(126,978)	$	43.28
Nonvested restricted share awards at December 31, 2021	229,910	$	48.76

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

	Restricted Share Units	Weighted-Average Grant-Date Fair Value
Nonvested restricted share units at December 31, 2020	135,308	$	43.83
Granted	65,825	$	49.59
Vested	(69,321)	$	41.59
Forfeited and other	(3,641)	$	48.34
Nonvested restricted share units at December 31, 2021	128,171	$	47.87