Property, Plant and Equipment (Tables)

3 Months Ended

Jun. 30, 2015

Property, Plant and Equipment

Schedule of property, plant and equipment

	June 30,			March 31,
Description and Estimated Useful Lives	2015			2015
	(in thousands)
Natural gas liquids terminal and storage assets (2–30 years)	$	133,284		$	132,851
Refined products terminal assets and equipment (20 years)	429,038			403,609
Retail propane equipment (2–30 years)	184,749			181,140
Vehicles and railcars (3–25 years)	182,055			180,679
Water treatment facilities and equipment (3–30 years)	358,118			317,317
Crude oil tanks and related equipment (2–40 years)	110,637			109,909
Barges and towboats (5–40 years)	75,966			59,848
Information technology equipment (3–7 years)	38,516			34,915
Buildings and leasehold improvements (3–40 years)	108,529			98,989
Land	99,593			107,098
Tank bottoms	64,803			62,656
Other (3–30 years)	34,490			34,415
Construction in progress	160,669			96,922
	1,980,447			1,820,348
Accumulated depreciation	(236,863		)	(202,959		)
Net property, plant and equipment	$	1,743,584		$	1,617,389

Summary of tank bottoms

	June 30, 2015			March 31, 2015
Product	Volume	Book Value		Volume	Book Value
	(in thousands)
Gasoline (barrels)	219	$	25,585	219	$	25,710
Crude oil (barrels)	232	19,507		184	16,835
Diesel (barrels)	121	14,753		124	15,153
Renewables (barrels)	41	4,220		41	4,220
Other	504	738		504	738
Total		$	64,803		$	62,656