Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2017

Lease Obligations [Abstract]

Schedule Of Future Minimum Lease Payments For Capitalized And Non-Cancelable Operating Leases

(in thousands)	Capitalized Leases		Operating Leases
Years ending December 31:
2018	$	1,373	$	15,930
2019		1,143		12,273
2020		1,050		7,495
2021		738		5,875
2022		752		5,097
Later years		6,739		9,738
Total minimum lease payments		11,795	$	56,408
Less: amounts representing imputed interest		(4,073)
Present value of minimum lease payments		7,722
Less: current portion of capitalized lease obligations		(644)
Capitalized lease obligations, excluding current portion	$	7,078