Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

Farmer Bros. Co. and Summary of Significant Accounting Policies - Narrative (Details) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 J. M. Smucker	Jun. 30, 2012 J. M. Smucker
Accounting Policies [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)	699,317	495,670	699,317	495,670
Concentration Risk [Line Items]
Other Receivables					$ 0.4	$ 0.8