Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
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-Section S99
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Name:	us-gaap_RestructuringCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Note O - Restructuring Activities (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Restructuring Charges, Total	$ 2,198	$ 1,366		$ 9,400	$ 11,800
Restructuring and Related Cost, Expected Cost, Total	25,300
Forecast [Member]
Restructuring Charges, Total			$ 1,900
Employee Severance [Member]
Restructuring Charges, Total	204	414
Lease Impairment and Termination Charges [Member]
Restructuring Charges, Total	294	348
Facility Closing [Member]
Restructuring Charges, Total	$ 1,690	$ 624