Significant Accounting Policies (Tables)

6 Months Ended

12 Months Ended

Sep. 30, 2014

Mar. 31, 2014

Significant Accounting Policies

Schedule of supplemental cash flow information

	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2014		2013		2014		2013
	(in thousands)
Interest paid, exclusive of debt issuance costs and letter of credit fees	$	10,445	$	8,423	$	36,429	$	16,908
Income taxes paid	$	1,241	$	369	$	2,246	$	650
Value of common units issued in business combinations	$	—	$	80,619	$	—	$	80,619

	Year Ended March 31,
	2014		2013		2012
	(in thousands)
Interest paid, exclusive of debt issuance costs and letter of credit fees	$	31,827	$	27,384	$	4,966
Income taxes paid	$	1,639	$	1,027	$	430

Schedule of accounts receivable

	March 31, 2014				March 31, 2013
					Gross
	Gross		Allowance for		Receivable		Allowance for
Segment	Receivable		Doubtful Accounts		(Note 2)		Doubtful Accounts
	(in thousands)
Crude oil logistics	$	411,090	$	105	$	360,589	$	11
Water solutions	25,700		405		9,618		29
Liquids	192,529		617		144,267		76
Retail propane	75,606		1,667		49,233		1,644
Refined products	105,670		—		—		—
Renewables	54,466		—		—		—
Other	38,665		28		810		—
	$	903,726	$	2,822	$	564,517	$	1,760

Schedule of changes in the allowance for doubtful accounts

	Year Ended March 31,
	2014			2013			2012
	(in thousands)
Allowance for doubtful accounts, beginning of period	$	1,760		$	818		$	161
Provision for doubtful accounts	2,172			1,315			1,049
Write off of uncollectible accounts	(1,110		)	(373		)	(392		)
Allowance for doubtful accounts, end of period	$	2,822		$	1,760		$	818

Schedule of inventories

	September 30,		March 31,
	2014		2014
	(in thousands)
Crude oil	$	136,722	$	156,473
Natural gas liquids —
Propane	207,694		85,159
Butane	84,822		15,106
Other	27,091		3,945
Refined products —
Gasoline	219,111		15,597
Diesel	214,567		7,298
Other	3,675		314
Renewables	36,517		11,778
Other	11,390		14,490
Total	$	941,589	$	310,160

	March 31,
	2014		2013
	(in thousands)
Crude oil	$	156,473	$	46,156
Natural gas liquids —
Propane	85,159		45,428
Butane and other	19,051		24,090
Refined products	23,209		—
Renewables	11,778		—
Other	14,490		11,221
	$	310,160	$	126,895

Schedule of accrued expenses and other payables

	September 30,		March 31,
	2014		2014
	(in thousands)
Accrued compensation and benefits	$	49,146	$	45,006
Derivative liabilities	39,023		42,214
Product exchange liabilities	43,185		3,719
Accrued interest	23,945		18,668
Income and other tax liabilities	38,255		13,421
Other	24,928		18,662
Total	$	218,482	$	141,690

	March 31,
			2013
	2014		(Note 4)
	(in thousands)
Accrued compensation and benefits	$	45,006	$	27,252
Derivative liabilities	42,214		12,701
Income and other tax liabilities	13,421		22,659
Product exchange liabilities	3,719		6,741
Other	37,330		16,253
	$	141,690	$	85,606