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Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2016

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of stock-based compensation expense

A summary of the Company’s stock-based compensation expense is presented in the following table.

	Three Months Ended   June 30,								Six Months Ended   June 30,
(in millions)	2016				2015				2016				2015
PRSU expense	$	1.7			$	5.4			$	4.2			$	7.4
Option expense	1.1				2.0				2.8				3.5
RSU/DSU expense	1.7				0.2				3.6				0.7
Total stock-based compensation expense	$	4.5			$	7.6			$	10.6			$	11.6

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- References

No definition available.

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- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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