Significant Customers and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2016

Significant Customers and Geographic Information

Schedule of revenue for each customer group

	For the year ended December 31,
(in millions)	2016		2015		2014
U.S. Government	$	462.2	$	447.6	$	395.3
Diversified Commercial		263.2		254.8		259.3
Total	$	725.4	$	702.4	$	654.6

Schedule of revenue for each customer group as a percentage of total revenue

	For the year ended December 31,
(in millions)	2016		2015		2014
U.S. Government	63.7	%	63.7	%	60.4	%
Diversified Commercial	36.3		36.3		39.6
Total	100.0	%	100.0	%	100.0	%

Schedule of the total U.S. and International revenue

	For the year ended December 31,
(in millions)	2016		2015		2014
U.S.	$	521.9	$	499.4	$	456.8
International		203.5		203.0		197.8
Total	$	725.4	$	702.4	$	654.6

Contracts | Revenue

Significant Customers and Geographic Information

Schedule of percentages from all customers whose net revenue and receivable exceeded 10% of total net revenue and net accounts receivable

	For the year ended December 31,
	2016		2015		2014
U.S. Government	63.7	%	63.7	%	60.4	%

Contracts | Net accounts receivable

Significant Customers and Geographic Information

Schedule of percentages from all customers whose net revenue and receivable exceeded 10% of total net revenue and net accounts receivable

	As of December 31,
	2016		2015
U.S. Government (1)	30.6	%	36.6	%
DAP Customer (2)	16.5	%	N/A

(1) U.S. Government accounts receivable does not include amounts due from third-party U.S. Government contractors.

(2) DAP Customer relates to an accounts receivable balance from one DAP customer as of December 31, 2016. The comparative customer accounts receivable balance was less than 10% of the net accounts receivable balance as of December 31, 2015.