Discontinued Operations (Details) (USD $)	3 Months Ended	9 Months Ended		1 Months Ended
	Sep. 30, 2012	Sep. 30, 2012	Jun. 30, 2013	Nov. 30, 2012 American Augers, Inc. [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of Augers				$ 42,940,000
Previously reported sales excluded from reported sales	8,650,000	38,921,000
Post closing adjustment			$ 499,000