Goodwill and Purchased Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2017

Goodwill and Purchased Intangible Assets

Schedule of changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill for the two years ended September 30, 2017 are as follows (in thousands):

			Cubic Global		Cubic Global
	Transportation		Defense		Defense
	Systems		Systems		Services		Total
Net balances at October 1, 2015	$	55,974	$	87,575	$	94,350	$	237,899
Acquisitions (see Note 2)		—		175,150		—		175,150
Foreign currency exchange rate changes		(6,344)		241		—		(6,103)
Net balances at September 30, 2016		49,630		262,966		94,350		406,946
Acquisitions		—		5,885		—		5,885
Foreign currency exchange rate changes		1,240		1,841		—		3,081
Net balances at September 30, 2017	$	50,870	$	270,692	$	94,350	$	415,912

Schedule of components of net goodwill

The components of the net goodwill balances at September 30, 2017 are as follows (in thousands):

			Cubic Global		Cubic Global
	Transportation		Defense		Defense
	Systems		Systems		Services		Total
Goodwill	$	50,870	$	270,692	$	145,215	$	466,777
Accumulated impairment charges		—		—		(50,865)		(50,865)
Net balances	$	50,870	$	270,692	$	94,350	$	415,912

Schedule of entity's purchased intangible assets

The table below summarizes our purchased intangible assets (in thousands):

	September 30, 2017						September 30, 2016
							Gross
	Gross Carrying		Accumulated		Net Carrying		Carrying		Accumulated		Net Carrying
	Amount		Amortization		Amount		Amount		Amortization		Amount
Contract and program intangibles	$	214,215	$	(151,422)	$	62,793	$	209,511	$	(123,645)	$	85,866
Other purchased intangibles		61,580		(25,878)		35,702		57,463		(19,926)		37,537
Total	$	275,795	$	(177,300)	$	98,495	$	266,974	$	(143,571)	$	123,403

Schedule of expected amortization of purchased intangibles for each of the next five years

The table below shows our expected amortization of purchased intangibles as of September 30, 2017, for each of the next five years and thereafter (in thousands):

			Cubic Global		Cubic Global
	Transportation		Defense		Defense
	Systems		Systems		Services		Total
2018	$	4,944	$	21,009	$	2,075	$	28,028
2019		2,886		17,291		1,434		21,611
2020		947		13,529		790		15,266
2021		698		10,075		707		11,480
2022		598		6,912		707		8,217
Thereafter		297		10,673		2,923		13,893
	$	10,370	$	79,489	$	8,636	$	98,495