Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Equity [Abstract]

Schedule of Share Repurchases

Our repurchase activity is as follows:

	2018					2017					2016
Program	Shares	Total $		$ per share		Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	252,272	$	8,373,698	$	33.19	8,676	$	283,654	$	32.69	165,598	$	4,440,658	$	26.82
401(k)	497,753	18,472,442		37.11		467,580	16,336,084		34.94		540,501	14,875,850		27.52
Directors & employees	33,751	1,096,625		32.49		45,878	1,614,425		35.19		30,072	823,446		27.38
Total	783,776	$	27,942,765	$	35.65	522,134	$	18,234,163	$	34.92	736,171	$	20,139,954	$	27.36

	Inception to Date
Program	Shares	Total $		$ per share
Open market	4,095,767	$	69,605,813	$	16.99
401(k)	7,047,776	100,541,247		14.27
Directors & employees	1,953,261	18,374,658		9.41
Total	13,096,804	$	188,521,718	$	14.39

Schedule of Dividends

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 24, 2016	June 10, 2016	July 1, 2016	$0.11
November 9, 2016	December 2, 2016	December 23, 2016	$0.13
May 16, 2017	June 9, 2017	July 7, 2017	$0.13
November 7, 2017	November 30, 2017	December 21, 2017	$0.13
May 18, 2018	June 8, 2018	July 6, 2018	$0.16
November 8, 2018	November 29, 2018	December 20, 2018	$0.16