Note 13 - Restructuring and Asset Impairment Charges - Restructuring Activities (Details) - Restructuring Charge 2014 [Member] - USD ($) $ in Thousands	3 Months Ended		6 Months Ended	9 Months Ended
	Apr. 02, 2017	Jan. 01, 2017	Jul. 02, 2017	Jul. 02, 2017
Total restructuring charge	$ 7,300	$ 19,800
Employee Severance [Member]
Cost incurred		1,451	$ 5,631
Balance			3,570	$ 3,570
Total restructuring charge	600			10,652
Fixed Asset Impairment [Member]
Cost incurred		8,019	3,300
Balance			0	0
Total restructuring charge	3,300			11,319
Other Restructuring [Member]
Cost incurred		$ 27	4,122
Balance			$ 967	967
Total restructuring charge	$ 3,400			$ 5,116