Regulatory Capital Requirements Of HRB Bank (Narrative) (Details)	Dec. 31, 2013		Mar. 31, 2013		Dec. 31, 2012		Jan. 31, 2014 HRB Bank [Member]
Assets Sold under Agreements to Repurchase [Line Items]
Tier 1 capital ratio (leverage)	37.10%	[1]	25.50%	[1]	29.70%	[1]	37.10%

[1] Tier 1 (core) capital divided by adjusted total assets.