Condensed Consolidated Statements of Equity (Parenthetical) (Unaudited) (USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
Unrecognized actuarial loss and prior service costs	$ 1,135	$ (411)
Cash flow hedge activity	47	13
Accumulated Other Comprehensive Loss
Unrecognized actuarial loss and prior service costs	(1,135)	411
Cash flow hedge activity	47	13
Treasury Shares
Purchase of treasury shares	0	4
Additional Paid-in Capital
Income tax on stock option exercise and other shares issued to employees and directors	$ 675	$ 1,199
Stock option exercises and other shares issued to employees and directors, shares	140	133
Retained Earnings
Dividends declared, per common share	$ 0.3	$ 0.22