Revenue (Tables)

6 Months Ended

Jan. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedules of concentration of risk

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

	Three months ended January 31,				Six months ended January 31,
	2020		2019		2020		2019
United States
U.S. government	41.5	%	45.2	%	41.2	%	44.7	%
Domestic	36.6	%	32.0	%	36.3	%	31.7	%
Total United States	78.1	%	77.2	%	77.5	%	76.4	%
International	21.9	%	22.8	%	22.5	%	23.6	%
Total	100.0	%	100.0	%	100.0	%	100.0	%

Schedule of disaggregation of revenue

	Three months ended January 31, 2020						Six months ended January 31, 2020
	Commercial Solutions		Government Solutions		Total		Commercial Solutions		Government Solutions	Total
Geographical region and customer type
U.S. government	$	17,189,000	$	49,900,000	$	67,089,000	$	33,937,000	102,673,000	$	136,610,000
Domestic	54,003,000		5,233,000		59,236,000		107,357,000		13,274,000	120,631,000
Total United States	71,192,000		55,133,000		126,325,000		141,294,000		115,947,000	257,241,000
International	24,930,000		10,399,000		35,329,000		49,142,000		25,538,000	74,680,000
Total	$	96,122,000	65,532,000		$	161,654,000	$	190,436,000	141,485,000	$	331,921,000
Contract type
Firm fixed price	$	95,094,000	38,875,000		$	133,969,000	$	187,765,000	89,598,000	$	277,363,000
Cost reimbursable	1,028,000		26,657,000		27,685,000		2,671,000		51,887,000	54,558,000
Total	$	96,122,000	65,532,000		$	161,654,000	$	190,436,000	141,485,000	$	331,921,000
Transfer of control
Point in time	$	43,011,000	28,675,000		$	71,686,000	$	80,734,000	66,460,000	$	147,194,000
Over time	53,111,000		36,857,000		89,968,000		109,702,000		75,025,000	184,727,000
Total	$	96,122,000	65,532,000		$	161,654,000	$	190,436,000	141,485,000	$	331,921,000

	Three months ended January 31, 2019						Six months ended January 31, 2019
	Commercial Solutions		Government Solutions		Total		Commercial Solutions		Government Solutions	Total
Geographical region and customer type
U.S. government	$	20,911,000	$	53,389,000	$	74,300,000	$	35,131,000	110,213,000	$	145,344,000
Domestic	43,693,000		8,761,000		52,454,000		85,930,000		17,035,000	102,965,000
Total United States	64,604,000		62,150,000		126,754,000		121,061,000		127,248,000	248,309,000
International	22,131,000		15,248,000		37,379,000		43,647,000		33,021,000	76,668,000
Total	$	86,735,000	77,398,000		$	164,133,000	$	164,708,000	160,269,000	$	324,977,000
Contract type
Firm fixed price	$	85,567,000	57,017,000		$	142,584,000	$	161,857,000	120,628,000	$	282,485,000
Cost reimbursable	1,168,000		20,381,000		21,549,000		2,851,000		39,641,000	42,492,000
Total	$	86,735,000	77,398,000		$	164,133,000	$	164,708,000	160,269,000	$	324,977,000
Transfer of control
Point in time	$	46,031,000	45,182,000		$	91,213,000	$	83,976,000	97,805,000	$	181,781,000
Over time	40,704,000		32,216,000		72,920,000		80,732,000		62,464,000	143,196,000
Total	$	86,735,000	77,398,000		$	164,133,000	$	164,708,000	160,269,000	$	324,977,000