Condensed Consolidated Statements of Equity (Parenthetical) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Dividends declared, per common share	$ 0.155	$ 0.140
Additional Paid-in Capital
Income tax on stock option exercise and other shares issued to employees and directors	$ 417	$ 216
Stock option exercises and other shares issued to employees and directors, shares	212	162
Shares issued in connection with acquisition		77
Retained Earnings
Dividends declared, per common share	$ 0.155	$ 0.14
Treasury Shares
Treasury shares purchased		631