RESTRUCTURING, DIVESTITURES AND DISPOSAL GROUPS HELD FOR SALE - Summary of Non-cash Impairment Charges Associated with Assets and Liabilities Classified as Held for Sale (Detail) $ in Millions	3 Months Ended
Sep. 30, 2019 USD ($)
Restructuring Cost And Reserve [Line Items]
Total charges	$ 82.4
Communication Related Services
Restructuring Cost And Reserve [Line Items]
Total charges	42.3
Mexico Operations
Restructuring Cost And Reserve [Line Items]
Total charges	$ 40.1

The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2611-110228

Name:	us-gaap_ImpairmentOfLongLivedAssetsToBeDisposedOf
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration