Long-Term Debt (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Mar. 31, 2014
Maturities
2015 (six months)	$ 2,345
2016	255,128	3,614
2017	2,362	2,356
2018	26,459	26,449
2019	1,130,938	972,238
Thereafter	1,025,181	625,176
Total long-term debt	2,442,413us-gaap_LongTermDebt	1,636,914us-gaap_LongTermDebt
TLP \| Credit Facility
Maturities
2016	252,000
Total long-term debt	252,000
Revolving Credit Facility
Maturities
2019	1,079,500	922,000
Total long-term debt	1,079,500	922,000
2019 Notes
Maturities
Thereafter	400,000
Total long-term debt	400,000
2021 Notes
Maturities
Thereafter	450,000
Total long-term debt	450,000
2022 notes
Maturities
2018	25,000	25,000
2019	50,000	50,000
Thereafter	175,000	175,000
Total long-term debt	250,000	250,000
Other long-term debt
Maturities
2015 (six months)	2,345
2016	3,128
2017	2,362
2018	1,459
2019	1,438
Thereafter	181
Total long-term debt	$ 10,913

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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