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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Stock Based Compensation Expense

The following table summarizes expense associated with these plans (in thousands):

	Three Months Ended								Six Months Ended
	June 30, 2018				July 1, 2017				June 30, 2018				July 1, 2017
Compensation cost	$	1,196			$	1,132			$	4,908			$	5,803

Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period

The options and units granted by the Corporation had fair values as follows (in thousands):

	Six Months Ended
	June 30, 2018				July 1, 2017
Stock options	$	7,200			$	7,206

Schedule of Unrecognized Compensation Cost, Nonvested Awards

The following table summarizes unrecognized compensation expense and the weighted-average remaining service period for non-vested stock options and restricted stock units as of June 30, 2018:

	Unrecognized Compensation Expense (in thousands)				Weighted-Average Remaining Service Period (years)
Non-vested stock options	$	5,238			1.2
Non-vested restricted stock units	$	178			0.5

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Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

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-Name Accounting Standards Codification
-Topic 718
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-Section 50
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Tabular disclosure for share-based compensation plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized.

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