Note 10 - Common Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions			3 Months Ended
Apr. 03, 2021	Feb. 19, 2021	Apr. 03, 2021
Treasury Stock, Value, Acquired, Cost Method			$ 15,002
2021 Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount		$ 60,000
Treasury Stock, Shares, Acquired (in shares)		0.3
Treasury Stock, Value, Acquired, Cost Method			$ 15,000
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)	$ 48.86

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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