Debt (Scheduled Annual Principal Payments On Long-term Debt) (USD $) In Thousands, unless otherwise specified	Jul. 31, 2012
2013	$ 2,521
2014	2,456
2015	2,385
2016	2,319
2017	65,071
Thereafter	984,833
Total	1,059,585
Ferrellgas, L.P. [Member]
2013	2,521
2014	2,456
2015	2,385
2016	2,319
2017	65,071
Thereafter	802,833
Total	$ 877,585