Restructuring and Other Charges, net (By Segment) (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	$ 5,717	$ 10,808	$ 20,257	$ 12,703
Restructuring charges	5,717	7,486	20,150	9,381
Healthcare
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	1,393	1,293	2,715	1,084
Restructuring charges	1,393	1,293	2,715	1,084
Mobile
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	1,284	6,605	6,191	6,320
Restructuring charges	1,284	3,283	6,145	2,998
Enterprise
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	486	674	3,563	1,058
Restructuring charges	486	674	3,563	1,058
Imaging
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	301	568	697	2,380
Restructuring charges	301	568	697	2,380
Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	2,253	1,668	7,091	1,861
Restructuring charges	2,253	1,668	7,030	1,861
Personnel
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	139	6,822	9,410	8,461
Restructuring charges			9,410
Personnel | Healthcare
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	49	659	1,363	450
Personnel | Mobile
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	62	3,253	4,973	3,140
Personnel | Enterprise
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	8	674	1,035	963
Personnel | Imaging
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	7	568	219	2,047
Personnel | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	249	1,668	1,820	1,861
Facilities
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	5,856	664	10,740	920
Restructuring charges			10,740
Facilities | Healthcare
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	1,344	634	1,352	634
Facilities | Mobile
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	1,222	30	1,172	142
Facilities | Enterprise
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	494	0	2,528	95
Facilities | Imaging
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	294	0	478	333
Facilities | Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges, net	2,502	0	5,210	0
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs		3,322	107	3,322
Other Restructuring [Member] | Healthcare
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	0	0	0	0
Other Restructuring [Member] | Mobile
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	0	3,322	46	3,322
Other Restructuring [Member] | Enterprise
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	0	0	0	0
Other Restructuring [Member] | Imaging
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	0	0	0	0
Other Restructuring [Member] | Corporate
Restructuring Cost and Reserve [Line Items]
Other Restructuring Costs	$ 0	$ 0	$ 61	$ 0