Income taxes (Tables)

9 Months Ended

Sep. 30, 2015

Income Tax Disclosure [Abstract]

Tax Provision before Discrete Items Reconciled to Recorded Provision for Income Taxes

Our tax provision before discrete items is reconciled to our recorded provision for income taxes for the three and nine months ended September 30, 2015 and 2014 as follows (in millions):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
Provision for income taxes before discrete items	$	3.5		$	4.2		$	7.6		$	13.2
Interest related to unrecognized tax benefits		0.1			—			0.3			0.2
Benefit related to merger of Brazilian entities		—			—			—			(3.1	)
Non-deductible stock compensation charge		—			—			—			0.3
Benefit related to U.S. transfer pricing adjustment		—			—			(0.4	)		—
Benefit related to Spanish statutory and tax intangibles write-off		—			—			(0.3	)		—
Deductions related to ESPP dispositions		(0.2	)		(0.3	)		(0.4	)		(0.6	)
Provision (benefit) for reassessment of taxes upon filing tax return		(1.8	)		0.4			(1.8	)		0.4
Benefit from reversals of uncertain tax positions due to statute of limitation expirations		(4.4	)		(2.3	)		(4.9	)		(2.4	)
Provision for (benefit from) income taxes	$	(2.8	)	$	2.0		$	0.1		$	8.0