Accumulated Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2015

Equity [Abstract]

Summary of Components of AOCI

Accumulated other comprehensive income (loss) includes the cumulative gains and losses of derivative instruments that qualify as cash flow hedges. The following table provides a rollforward of accumulated other comprehensive income (loss) for the years ended December 31, 2015 and 2014 (in millions):

	2015			2014
Accumulated other comprehensive income (loss) as of January 1,	$	(2.2	)	$	0.2
Other comprehensive income (loss)		(3.2	)		(3.8	)
Income tax benefit (expense)		1.2			1.4
Other comprehensive income (loss), net of tax		(2.0	)		(2.4	)
Accumulated other comprehensive income (loss) as of December 31,	$	(4.2	)	$	(2.2	)