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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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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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The amount of identifiable intangible assets recognized as of the acquisition date.

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The net gains or losses recognized for each transaction with the acquiree that was recognized separately from the acquisition of assets and assumptions of liabilities in the business combination.

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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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Acquisitions (Identifiable Intangible Assets) (Details) - USD ($) $ in Thousands		2 Months Ended
	Feb. 01, 2019	Mar. 31, 2019	Dec. 31, 2018
Goodwill
Goodwill	$ 9,242	$ 31,403	$ 21,530
NEEO AG
Other
Net loss associated with acquisition		200
Acquisition related costs		$ 500
NEEO AG \| Remote-control technology
Identifiable Intangible Assets
Acquired intangible assets	$ 5,800
Weighted average amortization period	5 years
NEEO AG \| Other internally developed technology
Identifiable Intangible Assets
Acquired intangible assets	$ 600
NEEO AG \| Other internally developed technology \| Minimum
Identifiable Intangible Assets
Weighted average amortization period	2 years
NEEO AG \| Other internally developed technology \| Maximum
Identifiable Intangible Assets
Weighted average amortization period	3 years