CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS
NET INCOME	$ 111,332	$ 100,711	$ 90,002
Other comprehensive earnings (loss), net of tax
Foreign currency translation adjustments	656	(708)	826
Pension and other postretirement benefit plans	(9,533)	(14,892)	(1,189)
Other comprehensive loss	(8,877)	(15,600)	(363)
Comprehensive earnings	$ 102,455	$ 85,111	$ 89,639

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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Amount after tax, before reclassification adjustments, resulting from the process of expressing in the reporting currency of the reporting entity those amounts that are denominated or measured in a different currency, and from transactions whose terms are denominated in a currency other than the entity's functional currency.

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+ Details

- Definition

Net of tax amount of other comprehensive income (loss) attributable to the parent entity.

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