BUSINESS COMBINATIONS - Schedule of Allocation of Purchase Price to Net Assets Acquired (Details) - USD ($) $ in Millions | Nov. 21, 2016 | Oct. 01, 2016 | Feb. 01, 2016 | Dec. 31, 2016 | Sep. 30, 2016 | Dec. 31, 2016 | Jun. 30, 2016 |
Estimated fair value | | | | | | | |
Goodwill | | | | $ 7,390.1 | | $ 7,390.1 | $ 2,212.7 |
Unfavorable contract liabilities | | | | (116.3) | | (116.3) | 0 |
Measurement period adjustments | | | | | | | |
Goodwill | | | | | | $ (16.6) | |
Trademarks | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | | | | 24 years 2 months 12 days | |
Customer relationships | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | | | | 14 years | |
License agreements | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | | | | 26 years 2 months 12 days | |
Galleria | | | | | | | |
Estimated fair value | | | | | | | |
Cash and cash equivalents | | $ 387.6 | | | | | |
Inventories | | 506.7 | | | | | |
Property, plant and equipment | | 770.4 | | | | | |
Goodwill | | 5,081.8 | | | | | |
Indefinite-lived other intangibles assets | | 1,890 | | | | | |
Other net working capital | | 10.8 | | | | | |
Net other assets | | 54.9 | | | | | |
Unfavorable contract liabilities | | (130) | | | | | |
Pension liabilities | | (394.9) | | | | | |
Deferred tax liability, net | | (1,301.6) | | | | | |
Measurement period adjustments | | | | | | | |
Total purchase price | | $ 11,570.4 | | | | | |
Galleria | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | | 3 years | | | | | |
Galleria | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | | 40 years | | | | | |
Galleria | Trademarks | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | $ 879.1 | | | | | |
Galleria | Trademarks | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 10 years | | | | | |
Galleria | Trademarks | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 30 years | | | | | |
Galleria | Customer relationships | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | $ 1,795.8 | | | | | |
Galleria | Customer relationships | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 1 year 6 months | | | | | |
Galleria | Customer relationships | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 17 years | | | | | |
Galleria | License agreements | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | $ 1,836 | | | | | |
Galleria | License agreements | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 10 years | | | | | |
Galleria | License agreements | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 30 years | | | | | |
Galleria | Product formulations | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | $ 183.8 | | | | | |
Galleria | Product formulations | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 5 years | | | | | |
Galleria | Product formulations | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | 29 years | | | | | |
ghd | | | | | | | |
Estimated fair value | | | | | | | |
Cash and cash equivalents | $ 7.1 | | | | | | |
Inventories | 79.8 | | | | | | |
Property, plant and equipment | 11.3 | | | | | | |
Goodwill | 175.5 | | | | | | |
Indefinite-lived other intangibles assets | 163.8 | | | | | | |
Other net working capital | (7.4) | | | | | | |
Net other assets | 0.9 | | | | | | |
Deferred tax liability, net | (75.3) | | | | | | |
Measurement period adjustments | | | | | | | |
Total purchase price | | | | $ (13.8) | | $ (13.8) | |
Total purchase price | $ 538.5 | | | | | | |
ghd | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | 3 years | | | | | | |
ghd | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | 10 years | | | | | | |
ghd | Customer relationships | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | $ 44.2 | | | | | | |
ghd | Customer relationships | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | 14 years | | | | | | |
ghd | Customer relationships | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | 21 years | | | | | | |
ghd | Technology | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | $ 138.6 | | | | | | |
ghd | Technology | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | 10 years | | | | | | |
ghd | Technology | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | 20 years | | | | | | |
Brazilian Beauty Business | | | | | | | |
Estimated fair value | | | | | | | |
Cash and cash equivalents | | | | | $ 11.1 | | 11.1 |
Inventories | | | | | 45.6 | | 45.6 |
Property, plant and equipment | | | | | 95.4 | | 95.4 |
Goodwill | | | | | 537.1 | | 553.7 |
Other net working capital | | | | | 0.7 | | 0.7 |
Net other assets | | | | | 1.4 | | 2.1 |
Deferred tax liability, net | | | | | (4.2) | | (21.5) |
Measurement period adjustments | | | | | | | |
Cash and cash equivalents | | | | | 0 | | |
Inventories | | | | | 0 | | |
Property, plant and equipment | | | | | 0 | | |
Goodwill | | | | | (16.6) | | |
Other net working capital | | | | | 0 | | |
Net other assets | | | | | (0.7) | | |
Deferred tax liability, net | | | | | 17.3 | | |
Total purchase price | | | | | 0 | | |
Asset retirement obligation | | | | | 0.7 | | |
Total purchase price | | | | | 901.9 | | 901.9 |
Brazilian Beauty Business | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | | | 2 years | | | | |
Brazilian Beauty Business | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Property, plant and equipment, estimated useful life | | | 40 years | | | | |
Brazilian Beauty Business | Trademarks | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | | | | 10.3 | | 10.3 |
Measurement period adjustments | | | | | | | |
Intangibles | | | | | 0 | | |
Brazilian Beauty Business | Trademarks | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | 5 years | | | | |
Brazilian Beauty Business | Trademarks | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | 15 years | | | | |
Brazilian Beauty Business | Customer relationships | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | | | | 44.6 | | 44.6 |
Measurement period adjustments | | | | | | | |
Intangibles | | | | | 0 | | |
Brazilian Beauty Business | Customer relationships | Minimum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | 13 years | | | | |
Brazilian Beauty Business | Customer relationships | Maximum | | | | | | | |
Measurement period adjustments | | | | | | | |
Acquired finite-lived intangible assets, useful life | | | 28 years | | | | |
Brazilian Beauty Business | Product formulations | | | | | | | |
Estimated fair value | | | | | | | |
Finite-lived intangible assets | | | | | 12.8 | | 12.8 |
Measurement period adjustments | | | | | | | |
Intangibles | | | | | 0 | | |
Acquired finite-lived intangible assets, useful life | | | 3 years | | | | |
Brazilian Beauty Business | Trademarks | | | | | | | |
Estimated fair value | | | | | | | |
Indefinite-lived other intangibles assets | | | | | 147.1 | | $ 147.1 |
Measurement period adjustments | | | | | | | |
Intangibles | | | | | $ 0 | | |