Unconditional Purchase Obligations (Tables)

12 Months Ended

Dec. 31, 2016

Unconditional Purchase Obligations (Excluding Capital Stock Redemptions) [Abstract]

Unrecorded Unconditional Purchase Obligations Disclosure

Future expenditures under unconditional purchase obligations in effect as of December 31, 2016 are as follows:

(in thousands)
2017	$	14,134
2018	10,288
2019	9,724
2020	2,617
2021	652
Total	$	37,415