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Comprehensive Income (Details 3) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Amortization of defined benefit pension items
Prior service cost	[1]			$ (57)
Actuarial losses	[1]			895
Total before tax				838
Tax benefit				(327)
Net of tax		$ 290	$ 272	$ 511	$ 543
[1] These amounts were included in the computation of net periodic pension cost. See Note 6 for additional details.

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Amount before tax, after reclassification adjustments, of actuarial gain (loss) that has not been recognized in the income statement.

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