Quarterly Financial Data (Tables)

12 Months Ended

Oct. 31, 2016

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

Summary quarterly results are as follows:

	First		Second		Third		Fourth
	Quarter		Quarter		Quarter		Quarter
Fiscal year ended October 31, 2016
Revenues	$	51,001,654	$	50,974,398	$	58,018,553	$	55,531,621
Gross profit		1,432,877		2,273,697		6,301,875		6,890,645
Operating income		32,031		784,201		5,017,859		5,739,434
Net income attributable to GFE		11,526		699,514		3,492,822		4,518,946
Basic and diluted earnings per unit attributable to GFE	$	0.38	$	22.86		114.12	$	147.65

		First		Second		Third		Fourth
		Quarter		Quarter		Quarter		Quarter
Fiscal year ended October 31, 2015
Revenues	$	58,692,502	$	59,067,109	$	58,671,723	$	54,823,174
Gross profit		5,628,105		5,545,088		8,795,890		2,631,235
Operating income		4,204,718		4,173,843		7,494,444		1,551,398
Net income attributable to GFE		3,767,092		3,179,639		5,440,763		1,199,256
Basic and diluted earnings per unit attributable to GFE	$	123.08	$	103.89	$	177.77	$	39.18

		First		Second		Third		Fourth
		Quarter		Quarter		Quarter		Quarter
Fiscal year ended October 31, 2014
Revenues	$	77,463,813	$	81,324,024	$	78,383,846	$	63,783,301
Gross profit		14,420,458		18,212,259		16,043,874		14,844,764
Operating income		13,124,957		16,832,384		14,833,232		13,580,276
Net income attributable to GFE		10,554,947		14,249,413		13,018,046		10,951,485
Basic and diluted earnings per unit attributable to GFE	$	344.87	$	465.58	$	425.34	$	357.82