Current and Long-Term Financing (Tables)

12 Months Ended

Dec. 31, 2012

Debt Disclosure [Abstract]

Schedule of Debt

The following table summarizes the Company's available and outstanding borrowings:

	December 31
	2012			2011
Total outstanding borrowings:
Revolving credit agreements:
HBB	$	39.7		$	—
NACoal	110.0			67.0
	$	149.7		$	67.0
Capital lease obligations and other term loans:
HBB	$	—		$	54.2
NACoal	15.2			7.7
	15.2			61.9
Private Placement Notes — NACoal	12.8			19.3
Total debt outstanding	$	177.7		$	148.2
Current portion of borrowings outstanding:
HBB	$	12.7		$	—
NACoal	29.6			73.7
	$	42.3		$	73.7
Long-term portion of borrowings outstanding:
HBB	$	27.0		$	54.2
NACoal	108.4			20.3
	$	135.4		$	74.5
Total available borrowings, net of limitations, under revolving credit agreements:
HBB	$	112.0		$	88.2
KC	27.0			27.0
NACoal	148.8			148.8
	$	287.8		$	264.0
Unused revolving credit agreements:
HBB	$	72.3		$	88.2
KC	27.0			27.0
NACoal	38.8			81.8
	$	138.1		$	197.0
Weighted average stated interest rate on total borrowings:
HBB	1.9		%	2.8		%
NACoal	2.4		%	2.8		%
Weighted average effective interest rate on total borrowings (including interest rate swap agreements):
HBB	4.3		%	5.7		%
NACoal	2.4		%	2.8		%

Schedule of Maturities of Total Debt, Excluding Capital Leases

Annual maturities of total debt, excluding capital leases, are as follows:

2013	$	29.0
2014	6.4
2015	—
2016	87.4
2017	39.7
Thereafter	3.5
	$	166.0