ACQUISITIONS - Intangible Assets Acquired (Details) - USD ($) $ in Millions	Sep. 12, 2018	Oct. 03, 2017	Jul. 27, 2017
Grakon
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 218.9
Grakon | Customer Relationships and Agreements - Significant Customer
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 54.0
Amortization period	19 years 6 months
Grakon | Customer Relationships and Agreements - All Other Customers
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 125.0
Amortization period	19 years 6 months
Grakon | Technology Licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 17.7
Amortization period	6 years 4 months 6 days
Grakon | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired	$ 22.2
Amortization period	8 years 6 months
Procoplast
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 19.2
Procoplast | Customer Relationships and Agreements - Significant Customer
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 12.3
Amortization period			17 years
Procoplast | Customer Relationships and Agreements - All Other Customers
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 2.8
Amortization period			11 years 6 months
Procoplast | Technology Licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 2.1
Amortization period			8 years 6 months
Procoplast | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired			$ 2.0
Amortization period			8 years 6 months
Pacific Insight
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired		$ 40.1
Pacific Insight | Technology Licenses
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired		$ 1.7
Amortization period		5 years 6 months
Pacific Insight | Trade Names
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired		$ 6.2
Amortization period		7 years 6 months
Pacific Insight | Customer Relationships and Agreements - Automotive
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired		$ 22.6
Amortization period		11 years
Pacific Insight | Customer Relationships and Agreements - Commercial
Acquired Finite-Lived Intangible Assets [Line Items]
Intangible assets acquired		$ 9.6
Amortization period		13 years