Maximus, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets - Schedule of Goodwill (Details)

Goodwill and intangible assets - Schedule of Goodwill (Details) - USD ($)				3 Months Ended	12 Months Ended
	Jul. 01, 2017	Feb. 29, 2016	Dec. 15, 2015	Sep. 30, 2017	Sep. 30, 2017	Sep. 30, 2016
Changes in goodwill
Balance at the beginning of the period					$ 397,558,000	$ 376,302,000
Goodwill, acquired during period						21,453,000
Adjustment to goodwill acquired with Acentia					3,074,000	(7,597,000)
Balance at the end of the period				$ 402,976,000	402,976,000	397,558,000
Impairment of goodwill related to continuing operations	$ 0				0
Acentia
Changes in goodwill
Goodwill, acquired during period				221,949,000
Adjustment to goodwill acquired						7,624,000
Assessments Australia
Changes in goodwill
Adjustment to goodwill acquired					71,000
Ascend Management Innovations LLC
Changes in goodwill
Goodwill, acquired during period		$ 18,000,000			17,997,000
Adjustment to goodwill acquired					(557,000)
Revitalised
Changes in goodwill
Goodwill, acquired during period					2,830,000
Health Services
Changes in goodwill
Balance at the beginning of the period					123,679,000	113,427,000
Adjustment to goodwill acquired with Acentia					2,508,000	(8,302,000)
Balance at the end of the period				128,460,000	128,460,000	123,679,000
Health Services \| Acentia
Changes in goodwill
Adjustment to goodwill acquired						0
Health Services \| Assessments Australia
Changes in goodwill
Adjustment to goodwill acquired					0
Health Services \| Ascend Management Innovations LLC
Changes in goodwill
Goodwill, acquired during period						18,554,000
Adjustment to goodwill acquired					(557,000)
Health Services \| Revitalised
Changes in goodwill
Goodwill, acquired during period					2,830,000
U.S. Federal Services
Changes in goodwill
Balance at the beginning of the period					228,148,000	220,524,000
Goodwill, acquired during period						0
Adjustment to goodwill acquired with Acentia					0	0
Balance at the end of the period				228,148,000	228,148,000	228,148,000
U.S. Federal Services \| Acentia
Changes in goodwill
Adjustment to goodwill acquired						7,624,000
U.S. Federal Services \| Assessments Australia
Changes in goodwill
Adjustment to goodwill acquired					0
U.S. Federal Services \| Ascend Management Innovations LLC
Changes in goodwill
Adjustment to goodwill acquired					0
U.S. Federal Services \| Revitalised
Changes in goodwill
Goodwill, acquired during period					0
Human Services
Changes in goodwill
Balance at the beginning of the period					45,731,000	42,351,000
Adjustment to goodwill acquired with Acentia					566,000	705,000
Balance at the end of the period				$ 46,368,000	46,368,000	45,731,000
Human Services \| Acentia
Changes in goodwill
Adjustment to goodwill acquired						0
Human Services \| Assessments Australia
Changes in goodwill
Goodwill, acquired during period			$ 3,000,000			2,899,000
Adjustment to goodwill acquired					71,000
Human Services \| Ascend Management Innovations LLC
Changes in goodwill
Adjustment to goodwill acquired					0
Human Services \| Revitalised
Changes in goodwill
Goodwill, acquired during period					$ 0
K-12 Education
Changes in goodwill
Adjustment to goodwill acquired with Ascend						(224,000)
K-12 Education \| Health Services
Changes in goodwill
Adjustment to goodwill acquired with Ascend						0
K-12 Education \| U.S. Federal Services
Changes in goodwill
Adjustment to goodwill acquired with Ascend						0
K-12 Education \| Human Services
Changes in goodwill
Adjustment to goodwill acquired with Ascend						$ (224,000)