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Fair Value of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2015

Fair Value Disclosures [Abstract]

Carrying Value and Fair Value of Long-Term Debt

The following table sets forth carrying value and fair value of long-term debt:


		June 30, 2015								December 31, 2014
In thousands		Carrying Value				Fair Value				Carrying Value				Fair Value
Variable rate debt		$	83,287			$	83,287			$	90,555			$	90,555
Fixed-rate bonds			250,000				257,813				250,000				255,470
2.40% Term loan			11,179				11,581				12,155				12,626
2.05% Term loan			46,245				47,251				51,902				53,106

Total		$	390,711			$	399,932			$	404,612			$	411,757