Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Schedule of Share Repurchases

Our repurchase activity is as follows:

	2016					2015					2014
Program	Shares	Total $		$ per share		Shares	Total $		$ per share		Shares	Total $		$ per share
Open market	165,598	$	4,440,658	$	26.82	1,037,590	$	24,999,963	$	24.09	1,016,717	$	19,998,406	$	19.67
401(k)	540,501	14,875,850		27.52		512,754	11,557,598		22.54		417,172	8,246,172		19.77
Directors and employees	30,072	823,446		27.38		25,746	585,413		22.74		54,341	1,038,459		19.11
Total	736,171	$	20,139,954	$	27.36	1,576,090	$	37,142,974	$	23.57	1,488,230	$	29,283,037	$	19.68

	Inception to Date
Program	Shares	Total $		$ per share
Open market	3,834,819	$	60,948,460	$	15.89
401(k)	6,082,443	65,732,720		10.81
Directors and employees	1,873,632	15,663,608		8.36
Total	11,790,894	$	142,344,788	$	12.07

Schedule of Dividends

Our recent dividends are as follows:

Declaration Date	Record Date	Payment Date	Dividend per Share
May 2, 2014	June 12, 2014	July 1, 2014	$0.09
November 4, 2014	December 2, 2014	December 23, 2014	$0.09
May 19, 2015	June 12, 2015	July 1, 2015	$0.11
October 29, 2015	December 2, 2015	December 23, 2015	$0.11
May 24, 2016	June 10, 2016	July 1, 2016	$0.11
November 9, 2016	December 2, 2016	December 23, 2016	$0.13