Goodwill and Intangible Assets, Net - Schedule of Changes in Goodwill (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Goodwill [Roll Forward]
Goodwill, gross		$ 970.5	$ 856.1
Additions	$ 37.5	124.0
Fair value adjustments	(2.3)
Foreign currency translation and other	(6.3)	(9.6)
Accumulated impairment losses	0.0	0.0
Goodwill	999.3	970.5
Investor Communication Solutions
Goodwill [Roll Forward]
Goodwill, gross		681.4	583.1
Additions	11.1	98.5
Fair value adjustments	(2.3)
Foreign currency translation and other	(0.4)	(0.2)
Accumulated impairment losses	0.0	0.0
Goodwill	689.7	681.4
Global Technology and Operations
Goodwill [Roll Forward]
Goodwill, gross		289.1	$ 273.0
Additions	26.3	25.5
Fair value adjustments	0.0
Foreign currency translation and other	(5.9)	(9.4)
Accumulated impairment losses	0.0	0.0
Goodwill	$ 309.6	$ 289.1

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=64834752&loc=SL49117168-202975

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 25
-Paragraph 16
-URI http://asc.fasb.org/extlink&oid=73531572&loc=d3e961-128460

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
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-Section 50
-Paragraph 1
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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