Unconditional Purchase Obligations

12 Months Ended

Dec. 31, 2016

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

The Company has entered into various unconditional purchase obligations which primarily include software licenses and long-term purchase contracts for network, communication and office maintenance services. The Company expended $7.2 million, $5.3 million and $2.9 million related to unconditional purchase obligations that existed as of the beginning of each year for the years ended December 31, 2016, 2015 and 2014, respectively. 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