Investment in TRIP Holdings (Tables)

9 Months Ended

Sep. 30, 2011

Investment in TRIP Holdings [Abstract]

Companies carrying value of its investment in TRIP

	September 30,			December 31,
	2011			2010
	(in millions)
Capital contributions	$	47.3		$	47.3
Equity purchased from investors		44.8			44.8
		92.1			92.1
Equity in earnings		11.2			7.5
Equity in unrealized losses on derivative financial instruments		(1.9	)		(1.4	)
Distributions		(7.0	)		(7.0	)
Deferred broker fees		(0.6	)		(0.8	)
	$	93.8		$	90.4