Note 5 - Property and Equipment: (Detail) - Property and Equipment (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Depreciable Lives	7 years
PPE	$ 347,935	$ 329,116
Less accumulated depreciation	(151,608)	(135,703)
Net property and equipment	196,327	193,413
Land [Member]
PPE	16,193	16,193
Land Improvements [Member] | Minimum [Member]
Depreciable Lives	5 years
Land Improvements [Member] | Maximum [Member]
Depreciable Lives	10 years
Land Improvements [Member]
PPE	2,241	1,622
Building and Building Improvements [Member] | Minimum [Member]
Depreciable Lives	7 years
Building and Building Improvements [Member] | Maximum [Member]
Depreciable Lives	30 years
Building and Building Improvements [Member]
PPE	126,438	117,082
Machinery and Equipment [Member] | Minimum [Member]
Depreciable Lives	2 years
Machinery and Equipment [Member] | Maximum [Member]
Depreciable Lives	15 years
Machinery and Equipment [Member]
PPE	167,752	153,521
Furniture and Fixtures [Member] | Minimum [Member]
Depreciable Lives	3 years
Furniture and Fixtures [Member] | Maximum [Member]
Depreciable Lives	7 years
Furniture and Fixtures [Member]
PPE	6,283	5,884
Software [Member] | Minimum [Member]
Depreciable Lives	2 years
Software [Member] | Maximum [Member]
Depreciable Lives	5 years
Software [Member]
PPE	25,351	21,509
Vehicles [Member] | Minimum [Member]
Depreciable Lives	2 years
Vehicles [Member] | Maximum [Member]
Depreciable Lives	5 years
Vehicles [Member]
PPE	1,257	1,259
Construction in Progress [Member]
PPE	$ 2,420	$ 12,046