CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) [Abstract]
Net earnings	$ 13,404	$ 13,338	$ 18,598	$ 20,045
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(903)	0	166	935
Amortization of:
Prior service benefit	(1,196)	(1,619)	(2,392)	(3,231)
Unrecognized loss	835	392	1,548	747
Plan amendment adjustment	0	14,439	0	14,439
Curtailment	0	(3,647)	0	(3,647)
Unrecognized amounts	437	1,202	437	1,202
Foreign currency exchange rate changes	(18)	(1)	(2)	12
Income tax related to pension and postretirement plans	(37)	(4,248)	149	(3,745)
Pension and post retirement plans, net of tax	21	6,518	(260)	5,777
Total other comprehensive income (loss), net of tax	(882)	6,518	(94)	6,712
Comprehensive income	$ 12,522	$ 19,856	$ 18,504	$ 26,757

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The adjustment out of other comprehensive income for foreign currency exchange rate changes during the period, before tax.

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The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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