Stock Buy Back Plans (Tables)

12 Months Ended

Dec. 31, 2016

Equity [Abstract]

Number of Shares Purchased and Maximum Value of Shares That yet be Purchased Under Plan

The following table displays the number of shares purchased during 2016 and the maximum value of shares that may yet be purchased under the plan:

							Maximum Value of
	Total				Total Number of		Shares that May Yet
	Number of		Average		Shares Purchased as		Be Purchased Under
	Shares		Price Paid		Part of Publicly		the Plan
	Purchased		Per Share		Announced Plan		(in 000’s)
January 1 to January 31		-	$	-		-	$	100,000
February 1 to February 28		943,983	$	33.97		943,983	$	67,932
March 1 to March 31		269,099	$	38.27		269,099	$	57,632
April 1 to April 30		454,729	$	38.78		454,729	$	40,000
May 1 to May 31		307,798	$	38.34		307,798	$	28,199
June 1 to June 30		330,265	$	39.96		330,265	$	15,000
July 1 to July 31		66,422	$	41.03		66,422	$	12,275
August 1 to August 31		299,931	$	40.92		299,931	$	-
September 1 to September 30		-	$	-		-	$	-
October 1 to October 31		-	$	-		-	$	-
November 1 to November 30		-	$	-		-	$	-
December 1 to December 31		-	$	-		-	$	-
Total		2,672,227	$	37.42		2,672,227	$	-