Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Regulation S-X (SX)
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-Sentence Column B

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

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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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The amount of goodwill arising from a business combination that is expected to be deductible for tax purposes.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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Fair value of acquired receivable from business combination, excluding certain loans and debt securities acquired in transfer.

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For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables.

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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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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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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Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

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Period the derivative contract is outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease) from adjustments after acquisition date under purchase accounting of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

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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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Note 18 - Acquisition of Nora (Details Textual) $ in Thousands, € in Millions			3 Months Ended			12 Months Ended
	Aug. 07, 2018 USD ($)	Aug. 07, 2018 EUR (€)	Dec. 30, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jul. 01, 2018 USD ($)	Dec. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jan. 01, 2017 USD ($)	Jul. 01, 2018 EUR (€)
Payments to Acquire Businesses, Net of Cash Acquired, Total						$ 400,697	$ 0	$ 0
Goodwill, Ending Balance			$ 245,815			$ 245,815	68,754
Number of Operating Segments						3
Goodwill, Purchase Accounting Adjustments						$ 1,377
Business Combination, Acquisition Related Costs			1,200	$ 2,400	$ 5,800
Payments of Debt Issuance Costs						8,806	$ 1,427	$ 0
Syndicated Facility Agreement [Member] \| Term Loan [Member]
Payments of Debt Issuance Costs						8,800
Nora [Member]
Business Combination, Consideration Transferred, Total	$ 447,200	€ 385.1
Cash Acquired from Acquisition	46,500	40.0
Payments to Acquire Businesses, Net of Cash Acquired, Total	400,700	€ 345.1
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	103,300
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Step-up of Inventory	26,600
Goodwill, Ending Balance	184,725		184,700			184,700
Finite-Lived Intangible Assets, Net, Ending Balance	103,300		97,700			97,700
Goodwill, Purchase Accounting Adjustments	1,400					1,400
Business Acquisition, Goodwill, Expected Tax Deductible Amount	0		$ 0			0
Business Combination, Acquired Receivable, Fair Value	31,000
Business Combination, Acquired Receivables, Gross Contractual Amount	32,800
Business Combination, Acquired Receivables, Estimated Uncollectible	1,800
Business Combination, Acquisition Related Costs						9,500
Nora [Member] \| Developed Technology Rights [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 39,100
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years	7 years
Nora [Member] \| Order or Production Backlog [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 3,400
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	180 days	180 days
Nora [Member] \| Trademarks and Trade Names [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill, Total	$ 60,800
Nora [Member] \| Other Expense [Member]
Loss Recognized Upon Termination of Option Instrument				$ 1,400
Business Combination, Acquisition Related Costs						4,200
Nora [Member] \| Selling, General and Administrative Expenses [Member]
Business Combination, Acquisition Related Costs						$ 5,300
Nora [Member] \| Foreign Exchange Option [Member]
Derivative, Notional Amount					$ 364,000				€ 315.0
Derivative, Term of Contract					120 days
Nora [Member] \| Foreign Exchange Option [Member] \| Other Expense [Member]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net, Total					$ 2,800