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Fair Value of Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2015

Fair Value Disclosures [Abstract]

Unrealized Gains (Losses) on Investments held in Rabbi Trust

	Three months ended September 30,						Nine months ended September 30,
	2015			2014			2015			2014
Unrealized gains (losses) on investments held in rabbi trust	$	(1,000)		$	(360)		$	(744)		$	76

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Tabular disclosure of unrealized gains and losses on investments.

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