CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue
Products	$ 174,113	$ 141,957	$ 476,788	$ 396,684
Services	49,367	39,760	143,280	114,321
Total revenue	223,480	181,717	620,068	511,005
Cost of revenue
Products	104,443	85,658	282,977	243,360
Services	29,816	24,487	88,426	74,606
Total cost of revenue	134,259	110,145	371,403	317,966
Gross profit	89,221	71,572	248,665	193,039
Operating expenses
Research and development	14,177	11,958	40,501	34,148
Selling, general and administrative	48,283	40,016	136,695	109,496
Restructuring charges	82	828	131	2,663
Total operating expenses	62,542	52,802	177,327	146,307
Operating income	26,679	18,770	71,338	46,732
Interest income	689	137	1,193	432
Interest expense	(2,465)	(93)	(6,842)	(286)
Gain on settlement of equity method investment				1,847
Other expenses, net	(316)	(314)	(2,228)	(848)
Income before income taxes and earnings of equity method investments	24,587	18,500	63,461	47,877
Income tax (benefit) provision	3,310	3,680	(37,720)	9,900
Income before equity in earnings of equity method investments	21,277	14,820	101,181	37,977
Equity in earnings of equity method investments	1,329	2,530	4,931	7,249
Net income	22,606	17,350	106,112	45,226
Net loss attributable to noncontrolling interest	111		111
Net income attributable to Brooks Automation, Inc.	$ 22,717	$ 17,350	$ 106,223	$ 45,226
Basic net income per share (in dollars per share)	$ 0.32	$ 0.25	$ 1.51	$ 0.65
Diluted net income per share (in dollars per share)	0.32	0.25	1.50	0.64
Dividend declared per share (in dollars per share)	$ 0.10	$ 0.10	$ 0.30	$ 0.30
Weighted average shares used in computing net income per share:
Basic (in shares)	70,596	69,711	70,425	69,496
Diluted (in shares)	70,978	70,405	70,933	70,198