XML 63 R47.htm IDEA: XBRL DOCUMENT v3.8.0.1

Common Equity (Tables)

12 Months Ended

Dec. 31, 2017

Stockholders' Equity Note [Abstract]

Schedule of stock-based compensation expense and related deferred tax benefit recognized in income

The following table summarizes our pre-tax stock-based compensation expense and the related tax benefit recognized in income for the years ended December 31:

(in millions)		2017				2016				2015
Stock options		$	3.4			$	3.5			$	3.3
Restricted stock		5.4				5.8				7.0
Performance units		20.2				8.7				13.0
Stock-based compensation expense		$	29.0			$	18.0			$	23.3
Related tax benefit		$	11.6			$	7.2			$	9.3

Schedule of stock option activity

The following is a summary of our stock option activity during 2017:

Stock Options		Number of Options			Weighted-Average Exercise Price				Weighted-Average Remaining Contractual Life (in years)		Aggregate Intrinsic Value (in millions)
Outstanding as of January 1, 2017		5,122,775			$	38.95
Granted		552,215			$	58.31
Exercised		(1,019,111	)		$	30.24
Forfeited		(11,665	)		$	56.48
Outstanding as of December 31, 2017		4,644,214			$	43.11			6.0		$	108.3
Exercisable as of December 31, 2017		3,275,850			$	38.23			5.0		$	92.4

Schedule of restricted stock activity

The following restricted stock activity occurred during 2017:

Restricted Shares		Number of Shares			Weighted-Average Grant Date Fair Value
Outstanding as of January 1, 2017		220,046			$	51.30
Granted		82,622			$	58.10
Released		(91,147	)		$	48.98
Forfeited		(7,033	)		$	55.60
Outstanding as of December 31, 2017		204,488			$	54.94

Schedule of shares repurchased

The following is a summary of shares purchased to fulfill exercised stock options and restricted stock awards during the years ended December 31:

(in millions)		2017				2016				2015
Shares purchased		1.1				1.8				1.5
Cost of shares purchased		$	71.3			$	108.0			$	74.7

Schedule of dividends declared

During the year ended December 31, 2017, our Board of Directors declared common stock dividends which are summarized below:

Date Declared		Date Payable		Per Share		Period
January 19, 2017		March 1, 2017		$0.52		First quarter
April 20, 2017		June 1, 2017		$0.52		Second quarter
July 20, 2017		September 1, 2017		$0.52		Third quarter
October 19, 2017		December 1, 2017		$0.52		Fourth quarter

X

- Definition

Tabular disclosure of information related to dividends declared, including paid and unpaid dividends.

+ References

No definition available.

+ Details

Name:	us-gaap_DividendsDeclaredTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ 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 (c)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_NonvestedRestrictedStockSharesActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- 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=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfCompensationCostForShareBasedPaymentArrangementsAllocationOfShareBasedCompensationCostsByPlanTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ 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 (d)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Schedule of shares repurchased and the costs of shares repurchased.

+ References

No definition available.

+ Details

Name:	wec_SharesRepurchasedTableTextBlock
Namespace Prefix:	wec_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration