Goodwill (Details 2) - USD ($) $ in Thousands	Jun. 30, 2015	Mar. 31, 2015
Goodwill by segment
Goodwill	$ 1,451,654	$ 1,402,761
Crude oil logistics
Goodwill by segment
Goodwill	579,846	579,846
Water solutions
Goodwill by segment
Goodwill	447,626	401,656
Liquids
Goodwill by segment
Goodwill	234,520	234,803
Retail propane
Goodwill by segment
Goodwill	123,493	122,382
Refined products and renewables
Goodwill by segment
Goodwill	$ 66,169	$ 64,074