Segment Reporting, Net Sales, Operating Income and Assets by Segment (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales and operating income by segment [Abstract]
Net sales	$ 172,812,000	$ 184,007,000	$ 181,575,000	$ 166,784,000	$ 144,691,000	$ 155,264,000	$ 179,941,000	$ 162,987,000	$ 705,178,000	$ 642,883,000	$ 794,634,000
Operating income (loss)	3,721,000	10,044,000	12,304,000	6,569,000	(1,669,000)	(725,000)	5,959,000	(4,797,000)	32,638,000	(1,232,000)	(139,230,000)
Net interest expense, other income (loss) and restructuring items									(37,200,000)	(35,300,000)	(35,800,000)
Total assets	598,422,000				611,777,000				598,422,000	611,777,000
Wheels [Member]
Net sales and operating income by segment [Abstract]
Net sales									402,146,000	364,614,000	414,340,000
Operating income (loss)									41,823,000	30,883,000	44,928,000
Total assets	441,835,000				452,271,000				441,835,000	452,271,000
Gunite [Member]
Net sales and operating income by segment [Abstract]
Net sales									171,263,000	168,988,000	221,974,000
Operating income (loss)									16,710,000	2,599,000	(151,940,000)
Total assets	59,600,000				55,016,000				59,600,000	55,016,000
Brillion Iron Works [Member]
Net sales and operating income by segment [Abstract]
Net sales									131,769,000	109,281,000	158,320,000
Operating income (loss)									4,523,000	1,027,000	11,969,000
Total assets	55,226,000				52,547,000				55,226,000	52,547,000
Corporate / Other [Member]
Net sales and operating income by segment [Abstract]
Operating income (loss)									(30,418,000)	(35,741,000)	(44,187,000)
Total assets	41,761,000				51,943,000				41,761,000	51,943,000
Inter-segment sales [Member]
Net sales and operating income by segment [Abstract]
Net sales									$ 12,568,000	$ 15,987,000	$ 26,405,000