CONSOLIDATED STATEMENT OF PARTNERS' CAPITAL AND COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	Successor [Member]	Predecessor [Member]	Partners Capital [Member] Successor [Member]	Partners Capital [Member] Predecessor [Member]	Accumulated Other Comprehensive Loss [Member] Successor [Member]	Accumulated Other Comprehensive Loss [Member] Predecessor [Member]	Tax Sharing Note Receivable [Member] Successor [Member]	Tax Sharing Note Receivable [Member] Predecessor [Member]
Beginning balance at Dec. 31, 2011		$ 1,792,014		$ 1,809,346		$ (16,176)		$ (1,156)
Tax sharing receivable - Southern Union		288		0		0		288
Comprehensive income:
Net earnings		40,482		40,482		0		0
Other Comprehensive Income (Loss), Net of Tax		2,913		0		2,913		0
Ending balance at Mar. 25, 2012		1,835,697		1,849,828		(13,263)		(868)
Comprehensive income:
Net earnings	(18,940)		(18,940)		0		0
Ending balance at Mar. 31, 2012	$ 3,225,172		$ 3,225,172		$ 0		$ 0