Note 22 - Discontinued Operations (Details Textual) - USD ($)			3 Months Ended
	Apr. 16, 2019	Apr. 12, 2019	Mar. 31, 2019	Apr. 08, 2019	Dec. 31, 2018	Nov. 01, 2018
Discontinued Operations [Line Items]
Intercompany receivables			$ 116,000,000		$ 113,000,000
Subsequent Event [Member] | Term Credit Agreement [Member]
Discontinued Operations [Line Items]
Repayment of loans using proceeds from sale of business		$ 312,000,000
Flexographic Packaging Segment [Member]
Discontinued Operations [Line Items]
Intercompany receivables			5,000,000		$ 5,000,000
Flexographic Packaging Segment [Member] | Selling, General and Administrative Expenses [Member]
Discontinued Operations [Line Items]
Transaction costs			$ 4,000,000
Flexographic Packaging Segment [Member] | Subsequent Event [Member] | Term Credit Agreement [Member]
Discontinued Operations [Line Items]
Repayment of loans using proceeds from sale of business		$ 312,000,000
Flexographic Packaging Segment [Member] | MIR Bidco, SA [Member] | Stock and Asset Purchase Agreement (SAPA) [Member]
Discontinued Operations [Line Items]
Maximum additional cash consideration upon achievement of EBITDA targets under earn-out agreement						$ 35,000,000
Discontinued operation earn out EBITDA targets contingent consideration for 2018						10,000,000
Discontinued operation earn out EBITDA targets contingent consideration for 2019						10,000,000
Discontinued operation earn out EBITDA targets contingent consideration for 2020						$ 15,000,000
Flexographic Packaging Segment [Member] | MIR Bidco, SA [Member] | Stock and Asset Purchase Agreement (SAPA) [Member] | Subsequent Event [Member]
Discontinued Operations [Line Items]
Disposal group including discontinued operation consideration				$ 320,000,000
Discontinued operation consideration payment for deferred closing				$ 7,500,000
Prepayment for services and products	$ 15,000,000