Leases (Tables)

12 Months Ended

Dec. 31, 2017

Leases [Abstract]

Future Minimum Lease and Royalty Commitments for All Noncancelable Agreements

Future minimum lease and royalty commitments for all noncancelable agreements and capital lease obligations as of December 31, 2017 are as follows:

(add 000)	Capital Leases			Operating Leases & Royalty Commitments
2018	$	4,205		$	121,234
2019		3,750			64,504
2020		2,247			58,731
2021		1,371			55,290
2022		913			52,781
Thereafter		3,993			345,860
Total		16,479		$	698,400
Less: imputed interest		(3,231	)
Present value of minimum lease payments		13,248
Less: current capital lease obligations		(3,623	)
Long-term capital lease obligations	$	9,625

Future Minimum Lease Commitments for Capital Lease Obligations

Future minimum lease and royalty commitments for all noncancelable agreements and capital lease obligations as of December 31, 2017 are as follows:

(add 000)	Capital Leases			Operating Leases & Royalty Commitments
2018	$	4,205		$	121,234
2019		3,750			64,504
2020		2,247			58,731
2021		1,371			55,290
2022		913			52,781
Thereafter		3,993			345,860
Total		16,479		$	698,400
Less: imputed interest		(3,231	)
Present value of minimum lease payments		13,248
Less: current capital lease obligations		(3,623	)
Long-term capital lease obligations	$	9,625