LONG-TERM DEBT - Surety Bonds, Letters of Credit and Guarantees - Narrative (Detail) $ in Millions	Jun. 30, 2017 USD ($)
Surety bonds
Guarantor Obligations [Line Items]
Guarantees obligations	$ 60.7
Commercial standby letters of credit
Guarantor Obligations [Line Items]
Guarantees obligations	113.6
Bank guarantees
Guarantor Obligations [Line Items]
Guarantees obligations	33.1
Bank guarantees backed by cash collateral
Guarantor Obligations [Line Items]
Guarantees obligations	15.9
Letters of credit backed by cash collateral
Guarantor Obligations [Line Items]
Guarantees obligations	$ 5.0