Segment Information (Tables)

6 Months Ended

Jan. 31, 2012

Segment Information [Abstract]

Segment profitability allocation methodology

	Three months ended January 31, 2012
	Telecommunications Transmission	RF Microwave Amplifiers	Mobile Data Communications	Unallocated	Total
Net sales	$    51,328,000	22,437,000	25,376,000	-	$   99,141,000
Operating income (loss)	8,319,000	1,195,000	4,408,000	(3,268,000)	10,654,000
Interest income and other (expense)	14,000	(3,000)	7,000	416,000	434,000
Interest expense	166,000	-	-	2,017,000	2,183,000
Depreciation and amortization	2,507,000	1,101,000	397,000	1,084,000	5,089,000
Expenditures for long-lived assets, including intangibles	799,000	369,000	49,000	-	1,217,000
Total assets at January 31, 2012	241,369,000	103,445,000	25,160,000	395,426,000	765,400,000

	Three months ended January 31, 2011
	Telecommunications Transmission	RF Microwave Amplifiers	Mobile Data Communications	Unallocated	Total
Net sales	$     62,268,000	23,889,000	76,654,000	-	$ 162,811,000
Operating income (loss)	15,450,000	407,000	14,320,000	(4,913,000)	25,264,000
Interest income and other (expense)	16,000	(5,000)	12,000	603,000	626,000
Interest expense	159,000	-	-	1,931,000	2,090,000
Depreciation and amortization	2,887,000	1,122,000	1,611,000	1,417,000	7,037,000
Expenditures for long-lived assets, including intangibles	899,000	227,000	271,000	3,000	1,400,000
Total assets at January 31, 2011	256,111,000	101,400,000	48,283,000	592,769,000	998,563,000

	Six months ended January 31, 2012
	Telecommunications Transmission	RF Microwave Amplifiers	Mobile Data Communications	Unallocated	Total
Net sales	$   108,124,000	43,550,000	60,828,000	-	$  212,502,000
Operating income (loss)	21,353,000	1,518,000	13,771,000	(10,229,000)	26,413,000
Interest income and other (expense)	20,000	(6,000)	16,000	900,000	930,000
Interest expense	332,000	-	-	3,997,000	4,329,000
Depreciation and amortization	5,074,000	2,204,000	817,000	2,006,000	10,101,000
Expenditures for long-lived assets, including intangibles	2,070,000	475,000	115,000	-	2,660,000
Total assets at January 31, 2012	241,369,000	103,445,000	25,160,000	395,426,000	765,400,000

	Six months ended January 31, 2011
	Telecommunications Transmission	RF Microwave Amplifiers	Mobile Data Communications	Unallocated	Total
Net sales	$    111,409,000	46,689,000	182,873,000	-	$  340,971,000
Operating income	23,770,000	1,044,000	39,383,000	1,148,000	65,345,000
Interest income and other (expense)	87,000	(2,000)	24,000	1,211,000	1,320,000
Interest expense	240,000	-	-	3,913,000	4,153,000
Depreciation and amortization	5,652,000	2,243,000	2,483,000	2,992,000	13,370,000
Expenditures for long-lived assets, including intangibles	7,872,000	306,000	628,000	47,000	8,853,000
Total assets at January 31, 2011	256,111,000	101,400,000	48,283,000	592,769,000	998,563,000