Equity Incentive Programs (Tables)

9 Months Ended

Sep. 30, 2017

The following table is a summary of the stock option activity for the nine months ended September 30, 2017:



	Shares Under Option		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (millions)
Outstanding at December 31, 2016	1,702,866		$	23.00	3.3	$	12.3
Granted	—		—
Exercised	(154,549	)	16.14
Canceled/forfeited/expired	(22,892	)	23.32
Outstanding and exercisable at September 30, 2017	1,525,425		$	23.69	2.6	$	6.7

The following table is a summary of the stock option exercises and vesting activity for the three and nine months ended September 30, 2017 and 2016:



	Three Months Ended September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
Total intrinsic value of stock options exercised	$	—	$	8.9	$	1.7	$	9.7
Cash received from stock option exercises	—		21.1		2.4		22.8
Total grant date fair value of stock options vested	—		—		—		0.3

The following table is a summary of RS and RSU award activity for the nine months ended September 30, 2017:



	Restricted Stock					Restricted Stock Units
	Shares		Weighted- Average Grant Date Fair Value Per Share		Weighted- Average Remaining Contractual Term (years)	Units		Weighted- Average Grant Date Fair Value Per Share		Weighted- Average Remaining Contractual Term (years)
Nonvested at December 31, 2016	2,485,389		$	15.89	1.5	235,886		$	11.04	1.8
Granted	665,517		26.85			71,438		26.88
Vested	(612,395	)	23.44			(10,529	)	23.45
Forfeited	(58,055	)	16.60			—		—
Nonvested at September 30, 2017	2,480,456		$	16.95	1.5	296,795		$	14.41	1.4

The following table is a summary of DSU award activity for the nine months ended September 30, 2017:



	Deferred Stock Units
	Units		Weighted-Average Grant Date Fair Value Per Share
Outstanding at December 31, 2016	249,739		$	16.98
Granted	34,656		26.88
Dividend equivalents granted	8,788		22.46
Settled	(99,894	)	18.65
Outstanding at September 30, 2017	193,289		$	18.12