Revenue (Tables)

9 Months Ended

Apr. 30, 2020

Revenue from Contract with Customer [Abstract]

Schedule of concentration of risk

Sales by geography and customer type, as a percentage of consolidated net sales, are as follows:

	Three months ended April 30,				Nine months ended April 30,
	2020		2019		2020		2019
United States
U.S. government	30.7	%	38.9	%	38.1	%	42.7	%
Domestic	45.0	%	34.7	%	38.8	%	32.7	%
Total United States	75.7	%	73.6	%	76.9	%	75.4	%
International	24.3	%	26.4	%	23.1	%	24.6	%
Total	100.0	%	100.0	%	100.0	%	100.0	%

Schedule of disaggregation of revenue

	Three months ended April 30, 2020					Nine months ended April 30, 2020
	Commercial Solutions		Government Solutions	Total		Commercial Solutions		Government Solutions	Total
Geographical region and customer type
U.S. government	$	7,230,000	34,268,000	$	41,498,000	$	41,167,000	136,941,000	$	178,108,000
Domestic	51,499,000		9,314,000	60,813,000		158,856,000		22,588,000	181,444,000
Total United States	58,729,000		43,582,000	102,311,000		200,023,000		159,529,000	359,552,000
International	19,582,000		13,228,000	32,810,000		68,724,000		38,766,000	107,490,000
Total	$	78,311,000	56,810,000	$	135,121,000	$	268,747,000	198,295,000	$	467,042,000
Contract type
Firm fixed price	$	77,553,000	39,079,000	$	116,632,000	$	265,318,000	128,677,000	$	393,995,000
Cost reimbursable	758,000		17,731,000	18,489,000		3,429,000		69,618,000	73,047,000
Total	$	78,311,000	56,810,000	$	135,121,000	$	268,747,000	198,295,000	$	467,042,000
Transfer of control
Point in time	$	25,730,000	32,193,000	$	57,923,000	$	106,464,000	98,653,000	$	205,117,000
Over time	52,581,000		24,617,000	77,198,000		162,283,000		99,642,000	261,925,000
Total	$	78,311,000	56,810,000	$	135,121,000	$	268,747,000	198,295,000	$	467,042,000

	Three months ended April 30, 2019					Nine months ended April 30, 2019
	Commercial Solutions		Government Solutions	Total		Commercial Solutions		Government Solutions	Total
Geographical region and customer type
U.S. government	$	17,229,000	49,133,000	$	66,362,000	$	52,360,000	159,346,000	$	211,706,000
Domestic	48,248,000		10,875,000	59,123,000		134,178,000		27,910,000	162,088,000
Total United States	65,477,000		60,008,000	125,485,000		186,538,000		187,256,000	373,794,000
International	24,123,000		20,840,000	44,963,000		67,770,000		53,861,000	121,631,000
Total	$	89,600,000	80,848,000	$	170,448,000	$	254,308,000	241,117,000	$	495,425,000
Contract type
Firm fixed price	$	88,125,000	57,451,000	$	145,576,000	$	249,982,000	178,080,000	$	428,062,000
Cost reimbursable	1,475,000		23,397,000	24,872,000		4,326,000		63,037,000	67,363,000
Total	$	89,600,000	80,848,000	$	170,448,000	$	254,308,000	241,117,000	$	495,425,000
Transfer of control
Point in time	$	43,935,000	44,078,000	$	88,013,000	$	127,912,000	141,883,000	$	269,795,000
Over time	45,665,000		36,770,000	82,435,000		126,396,000		99,234,000	225,630,000
Total	$	89,600,000	80,848,000	$	170,448,000	$	254,308,000	241,117,000	$	495,425,000