Condensed Consolidated Statements of Equity (Parenthetical) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Dividends declared, per common share	$ 0.28	$ 0.22
Additional Paid-in Capital
Income tax on stock option exercise and other shares issued to employees and directors	$ 819	$ 1,522
Stock option exercises and other shares issued to employees and directors, shares	163	215
Shares as a result of stock split		187
Shares issued in connection with acquisition	77
Retained Earnings
Dividends declared, per common share	$ 0.2800	$ 0.22
Treasury Shares
Treasury shares purchased	786