Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2019

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:

	March 31, 2019				December 31, 2018
In thousands	Carrying Value		Fair Value		Carrying Value		Fair Value
Variable rate debt	$	101,115	$	101,115	$	114,495	$	114,495
Fixed-rate bonds		—		—		250,000		249,010
Term loan, due Feb. 2024		247,170		247,170		—		—
2.40% Term loan		5,216		5,310		5,725		5,836
2.05% Term loan		23,987		24,325		25,972		26,346
1.30% Term Loan		6,821		6,810		7,361		7,341
1.55% Term loan		8,947		8,974		9,470		9,453
Total	$	393,256	$	393,704	$	413,023	$	412,481