Business Segments (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting [Abstract]

Segment Reporting Information

	2016			2015			2014
Revenues from external customers
NACoal	$	111,081		$	147,998		$	172,702
HBB	605,170			620,977			559,683
KC	144,351			150,988			168,545
Eliminations	(4,164		)	(4,103		)	(4,148		)
Total	$	856,438		$	915,860		$	896,782
Gross profit (loss)
NACoal	$	12,341		$	(10,816	)	$	(3,139	)
HBB	128,414			123,139			117,570
KC	65,391			67,000			71,621
NACCO and Other	(259		)	(416		)	(461		)
Eliminations	(34		)	589			(519		)
Total	$	205,853		$	179,496		$	185,072
Selling, general and administrative expenses, including Amortization of intangible assets
NACoal	$	44,347		$	38,867		$	36,147
HBB	85,406			88,336			81,798
KC	65,014			66,864			79,056
NACCO and Other	7,020			3,845			4,996
Total	$	201,787		$	197,912		$	201,997

	2016			2015			2014
Operating profit (loss)
NACoal	$	5,619		$	521		$	(89,030	)
HBB	43,033			34,801			35,772
KC	376			165			(7,075		)
NACCO and Other	(7,278		)	(4,248		)	(5,456		)
Eliminations	(35		)	588			(520		)
Total	$	41,715		$	31,827		$	(66,309	)
Interest expense
NACoal	$	4,317		$	4,961		$	6,034
HBB	1,165			1,831			1,137
KC	209			131			367
NACCO and Other	1			1			28
Total	$	5,692		$	6,924		$	7,566
Interest income
NACoal	$	(177	)	$	(416	)	$	(823	)
HBB	—			(56		)	(4		)
NACCO and Other	(19		)	(2		)	(4		)
Total	$	(196	)	$	(474	)	$	(831	)
Other (income) expense, including asset retirement obligations
NACoal	$	1,447		$	(1,683	)	$	44
HBB	770			1,526			1,136
KC	67			86			65
NACCO and Other	(535		)	649			2,284
Total	$	1,749		$	578		$	3,529
Income tax provision (benefit)
NACoal	$	(8,212	)	$	(7,960	)	$	(43,308	)
HBB	14,541			11,751			10,359
KC	455			368			(2,904		)
NACCO and Other	(1,909		)	(1,550		)	(2,420		)
Eliminations	(12		)	206			(182		)
Total	$	4,863		$	2,815		$	(38,455	)
Net Income (loss)
NACoal	$	8,244		$	5,619		$	(50,977	)
HBB	26,557			19,749			23,144
KC	(355		)	(420		)	(4,603		)
NACCO and Other	(4,816		)	(3,346		)	(5,344		)
Eliminations	(23		)	382			(338		)
Total	$	29,607		$	21,984		$	(38,118	)

	2016			2015			2014
Total assets
NACoal	$	287,011		$	303,138		$	389,964
HBB	257,167			253,874			270,265
KC	54,004			56,177			56,260
NACCO and Other	109,022			64,069			96,918
Eliminations	(39,183		)	(21,850		)	(42,887		)
Total	$	668,021		$	655,408		$	770,520
Depreciation, depletion and amortization
NACoal	$	12,682		$	17,067		$	22,003
HBB	4,681			4,750			2,693
KC	1,545			1,558			3,048
NACCO and Other	368			305			326
Total	$	19,276		$	23,680		$	28,070
Capital expenditures, excluding acquisitions of business
NACoal	$	10,109		$	4,116		$	51,228
HBB	4,814			4,365			4,516
KC	1,188			1,806			1,193
NACCO and Other	56			328			563
Total	$	16,167		$	10,615		$	57,500

Revenue From External Customers and Long-Lived Assets, by Geographical Areas

	United States		Other		Consolidated
2016
Revenues from unaffiliated customers, based on the customers’ location	$	737,448	$	118,990	$	856,438
Long-lived assets	$	157,022	$	5,082	$	162,104
2015
Revenues from unaffiliated customers, based on the customers’ location	$	795,071	$	120,789	$	915,860
Long-lived assets	$	151,618	$	5,564	$	157,182
2014
Revenues from unaffiliated customers, based on the customers’ location	$	779,890	$	116,892	$	896,782
Long-lived assets	$	182,116	$	5,780	$	187,896