Share Repurchase Program	6 Months Ended
Jun. 30, 2016
Equity [Abstract]
Share Repurchase Program [Text Block]	Share Repurchase Program The Company's Board of Directors authorized a share repurchase program (the “Share Repurchase Program”), effective as of January 1, 2004. The Share Repurchase Program does not have a fixed expiration or termination date and may be modified or terminated by the Board of Directors at any time. On several occasions the Board of Directors has increased the amount authorized for repurchase. The Share Repurchase Program permits the Company to effect repurchases from time to time through a combination of open market repurchases or in privately negotiated transactions at such prices and times as are determined to be in the best interest of the Company. On February 22, 2016, the Board of Directors approved the extension of the Share Repurchase Program for an additional $136,000 in repurchases of the Company's common stock. During the six months ended June 30, 2016, an aggregate of 965,607 shares of the Company's common stock were repurchased under the Share Repurchase Program, at an Note J – Share Repurchase Program (continued) average price per share of $34.38, for an aggregate purchase price of approximately $33,198. As of June 30, 2016, approximately $159,372 remained available for future repurchases under the Share Repurchase Program.

Share Repurchase Program

The Company's Board of Directors authorized a share repurchase program (the “Share Repurchase Program”), effective as of January 1, 2004. The Share Repurchase Program does not have a fixed expiration or termination date and may be modified or terminated by the Board of Directors at any time. On several occasions the Board of Directors has increased the amount authorized for repurchase. The Share Repurchase Program permits the Company to effect repurchases from time to time through a combination of open market repurchases or in privately negotiated transactions at such prices and times as are determined to be in the best interest of the Company. On February 22, 2016, the Board of Directors approved the extension of the Share Repurchase Program for an additional $136,000 in repurchases of the Company's common stock. During the six months ended June 30, 2016, an aggregate of 965,607 shares of the Company's common stock were repurchased under the Share Repurchase Program, at an

Note J – Share Repurchase Program (continued)

average price per share of $34.38, for an aggregate purchase price of approximately $33,198. As of June 30, 2016, approximately $159,372 remained available for future repurchases under the Share Repurchase Program.