Note 7 - Balance Sheet Details - Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Property and equipment, gross	$ 424,448	$ 356,548
Accumulated depreciation	(145,519)	(126,168)
Total	278,929	230,380
Land and Land Improvements [Member]
Property and equipment, gross	15,975	13,118
Building and Building Improvements [Member]
Property and equipment, gross	163,161	132,072
Machinery and Equipment [Member]
Property and equipment, gross	103,726	90,487
Dies and Tools [Member]
Property and equipment, gross	28,198	24,504
Vehicles [Member]
Property and equipment, gross	2,070	1,878
Office Equipment [Member]
Property and equipment, gross	82,638	73,254
Leasehold Improvements [Member]
Property and equipment, gross	2,137	2,436
Construction in Progress [Member]
Property and equipment, gross	$ 26,543	$ 18,799

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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