Note 1 - Accounting Policies (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Sep. 29, 2019	Jul. 01, 2019	Jun. 30, 2019
Contract with Customer, Liability, Current	$ 16,500		$ 17,300
Contract with Customer, Liability, Revenue Recognized	10,000
Operating Lease, Liability, Total	78,024
Operating Lease, Right-of-Use Asset	$ 75,876
Accounting Standards Update 2016-02 [Member]
Operating Lease, Liability, Total		$ 80,700
Operating Lease, Right-of-Use Asset		$ 78,700