LEASE - MATURITIES OF OPERATING LEASE LIABILITIES AND FUTURE MINIMUM PAYMENTS (Details) - USD ($) $ in Millions	Jun. 30, 2019	Jan. 01, 2019
Lessee, Operating Lease, Liability, Payment, Due [Abstract]
2019	$ 34.0
2020	62.2
2021	46.7
2022	36.6
2023	32.3
Thereafter	85.8
Total lease payments	297.6
Less: Interest	(51.2)
Present value of operating lease liabilities	246.4	$ 259.1
Less: Short-term portion	(57.4)
Long-term operating lease liabilities	189.0
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
2019	68.3
2020	59.2
2021	44.8
2022	34.7
2023	30.5
Thereafter	83.6
Total minimum lease payments	$ 321.1

Amount of lessee's undiscounted obligation for lease payments for operating lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 20
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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease.

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Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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