Note 4 - Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2013

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment [Table Text Block]

(In thousands)	2013			2012
Land	$	10,085		$	6,789
Buildings and improvements		86,660			63,465
Machinery and equipment		209,874			221,730
Construction in progress		12,667			14,489
		319,286			306,473
Less accumulated depreciation		(137,702	)		(139,438	)
		181,584			167,035
Mats (rental fleet)		60,332			44,811
Less accumulated depreciation-mats		(24,906	)		(21,444	)
		35,426			23,367
Property, plant and equipment, net	$	217,010		$	190,402