Consolidated Statements of Shareholders' Equity and Comprehensive (Loss) Income (USD $) In Thousands, except Share data	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Receivable From ESOP [Member]	Total
Balance at Dec. 31, 2008	$ 6,857	$ 6,649	$ 223,692	$ (26,391)	$ (903)	$ 209,904
Balance (in shares) at Dec. 31, 2008	18,284,746
Net Earnings (Loss)	0	0	(26,241)	0	0	(26,241)
Foreign Currency Translation Adjustments	0	0	0	5,104	0	5,104
Pension Adjustments, net of income tax expense (benefit)	0	0	0	(1,822)	0	(1,822)
Comprehensive (Loss) Income						(22,959)
Issue Stock for Directors, Employee Benefit and Stock Plans	175	4,327	0	0	0	4,502
Issue Stock for Directors, Employee Benefit and Stock Plans (in shares)	466,082
Share-Based Compensation	0	1,670	0	0	0	1,670
Dividends paid	0	0	(9,861)	0	0	(9,861)
Tax Benefit on Stock Plans	0	114	0	0	0	114
Tax Benefit on ESOP	0	0	6	0	0	6
Principal Payments from ESOP	0	0	0	0	1,892	1,892
Shares Allocated	0	0	0	0	(989)	(989)
Reclassification	0	(4,988)	4,988	0	0	0
Balance at Dec. 31, 2009	7,032	7,772	192,584	(23,109)	0	184,279
Balance (in shares) at Dec. 31, 2009	18,750,828
Net Earnings (Loss)	0	0	34,803	0	0	34,803
Foreign Currency Translation Adjustments	0	0	0	762	0	762
Pension Adjustments, net of income tax expense (benefit)	0	0	0	73	0	73
Comprehensive (Loss) Income						35,638
Issue Stock for Directors, Employee Benefit and Stock Plans	146	6,029	0	0	0	6,175
Issue Stock for Directors, Employee Benefit and Stock Plans (in shares)	388,015
Share-Based Compensation	0	2,651	0	0	0	2,651
Dividends paid	0	0	(11,181)	0	0	(11,181)
Tax Benefit on Stock Plans	0	1,724	0	0	0	1,724
Purchases of Common Stock	(38)	(3,115)	0	0	0	(3,153)
Purchases of Common Stock (in shares)	(100,000)
Reclassification	0	(4,185)	4,185		0	0
Balance at Dec. 31, 2010	7,140	10,876	220,391	(22,274)	0	216,133
Balance (in shares) at Dec. 31, 2010	19,038,843					19,038,843
Net Earnings (Loss)	0	0	32,713	0	0	32,713
Foreign Currency Translation Adjustments	0	0	0	(3,141)	0	(3,141)
Pension Adjustments, net of income tax expense (benefit)	0	0	0	(3,822)	0	(3,822)
Comprehensive (Loss) Income						25,750
Issue Stock for Directors, Employee Benefit and Stock Plans	99	4,019	0	0	0	4,118
Issue Stock for Directors, Employee Benefit and Stock Plans (in shares)	265,401
Share-Based Compensation	0	4,041	0	0	0	4,041
Dividends paid	0	0	(12,852)	0	0	(12,852)
Tax Benefit on Stock Plans	0	1,265	0	0	0	1,265
Purchases of Common Stock	(176)	(17,427)	0	0	0	(17,603)
Purchases of Common Stock (in shares)	(469,304)
Reclassification	0	12,308	(12,308)	0	0	0
Balance at Dec. 31, 2011	$ 7,063	$ 15,082	$ 227,944	$ (29,237)	$ 0	$ 220,852
Balance (in shares) at Dec. 31, 2011	18,834,940					19,038,843