Note 10 - Acquisition of Nora (Details Textual) - Nora [Member] € in Millions, $ in Millions	Aug. 07, 2018 USD ($)	Aug. 07, 2018 EUR (€)
Business Combination, Consideration Transferred, Total	$ 447.2	€ 385.1
Cash Acquired from Acquisition	46.5	40.0
Payments to Acquire Businesses, Net of Cash Acquired, Total	400.7	€ 345.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	103.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Step-up of Inventory	26.6
Developed Technology Rights [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 39.1
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years	7 years
Order or Production Backlog [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 3.4
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	180 days	180 days
Trademarks and Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 60.8

Represents the amount of step-up of inventory to fair value at the acquisition date.

No definition available.

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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- Definition

The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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