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Stock-Based Compensation

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement [Abstract]

Stock-Based Compensation

Stock-Based Compensation

Stock-based compensation cost by award type follows:

(in millions)						Three Months Ended June 30,																		Six Months Ended June 30,
									2020						2019						2020						2019
Stock option awards						$	2.6					$	2.5					$	5.8					$	5.6
Restricted stock awards						1.9						2.1						4.0						4.1
Performance share awards						1.7						1.5						3.8						3.1
Restricted stock units						—						—						1.4						1.3
Stock appreciation rights						(0.3)						2.1						(3.9)						2.9
Total stock-based compensation cost incurred						5.9						8.2						11.1						17.0
Capitalized credit (cost) during the period						0.1						(2.6)						3.4						(3.8)
Amortization of capitalized (credit) cost during the period						(3.8)						1.7						0.4						2.3
Total stock-based compensation expense						$	2.2					$	7.3					$	14.9					$	15.5

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- Definition

The entire disclosure for share-based payment arrangement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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- References

No definition available.

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