Investment in TRIP Holdings (Tables)

6 Months Ended

Jun. 30, 2012

Investment in TRIP Holdings [Abstract]

Companies carrying value of its investment in TRIP

	June 30, 2012			December 31, 2011
	(in millions)
Capital contributions	$	47.3		$	47.3
Equity purchased from investors		44.8			44.8
		92.1			92.1
Equity in earnings		10.8			12.0
Equity in unrealized losses on derivative financial instruments		(0.4	)		(1.3	)
Distributions		(7.0	)		(7.0	)
Deferred broker fees		(0.5	)		(0.6	)
	$	95.0		$	95.2