Condensed Consolidated Statements of Equity (Parenthetical) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014
Dividends declared, per common share	$ 0.42	$ 0.33
Additional Paid-in Capital
Income tax on stock option exercise and other shares issued to employees and directors	$ 819	$ 1,542
Stock option exercises and other shares issued to employees and directors, shares	163	220
Shares as a result of stock split		187
Shares issued in connection with acquisition	77
Retained Earnings
Dividends declared, per common share	$ 0.42	$ 0.33
Treasury Shares
Treasury shares purchased	1,193