Note 13 - Amortizable Intangible Assets (Details) $ in Thousands	Feb. 27, 2016 USD ($)
Purchased Technology And Patents [Member]
Original cost	$ 69,813
Accumulated amortization	(19,618)
Net identifiable intangibles	50,195
Customer Relationships [Member]
Original cost	235,067
Accumulated amortization	(102,928)
Net identifiable intangibles	132,139
Other Intangible Assets [Member]
Original cost	49,578
Accumulated amortization	(25,971)
Net identifiable intangibles	23,607
Original cost	354,458
Accumulated amortization	(148,517)
Net identifiable intangibles	$ 205,941