Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Revenues	$ 932,666	$ 873,364	$ 790,455
Cost of sales	711,375	647,422	580,815
Gross profit	221,291	225,942	209,640
Earnings of unconsolidated mines	46,429	45,244	45,485
Operating expenses
Selling, general and administrative expenses	199,331	207,553	190,036
Goodwill impairment charge	3,973	0	0
Amortization of intangible assets	3,668	2,802	2,065
Gain on sale of assets	(588)	(6,811)	(1,050)
Operating Expenses	206,384	203,544	191,051
Operating profit	61,336	67,642	64,074
Other (income) expense
Interest expense	4,775	6,088	8,789
Income from other unconsolidated affiliates	(1,432)	(1,552)	(1,420)
Applica settlement and litigation costs	0	0	(57,146)
Closed mine obligations	1,817	4,595	989
Other, net, including interest income	456	483	641
Other (income) expense	5,616	9,614	(48,147)
Income from continuing operations before income tax provision	55,720	58,028	112,221
Income tax provision	11,270	15,865	32,751
Income from continuing operations, net of tax	44,450	42,163	79,470
Income from discontinued operations, net of tax expense of $7,599 and $18,893 in 2012 and 2011, respectively	0	66,535	82,601
Net income	$ 44,450	$ 108,698	$ 162,071
Basic earnings per share:
Continuing operations (in dollars per share)	$ 5.48	$ 5.04	$ 9.49
Discontinued operations (in dollars per share)	$ 0.00	$ 7.93	$ 9.85
Basic Earnings per Share (in dollars per share)	$ 5.48	$ 12.97	$ 19.34
Diluted earnings per share:
Continuing operations (in dollars per share)	$ 5.47	$ 5.02	$ 9.46
Discontinued operations (in dollars per share)	$ 0.00	$ 7.90	$ 9.82
Diluted Earnings per Share (in dollars per share)	$ 5.47	$ 12.92	$ 19.28
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic weighted average shares outstanding	8,105	8,384	8,383
Diluted weighted average shares outstanding	8,124	8,414	8,408