Equity Incentive Programs (Tables)

12 Months Ended

Dec. 31, 2016

The following table is a summary of the stock option activity for the year ended December 31, 2016:



	Shares Under Option		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (years)	Aggregate Intrinsic Value (millions)
Outstanding at December 31, 2015	3,290,336		$	21.37	3.6	$	—
Granted	—		—
Exercised	(1,558,806	)	19.42
Canceled/forfeited/expired	(28,664	)	30.23
Outstanding and exercisable at December 31, 2016	1,702,866		$	23.00	3.3	$	12.3

The following table is a summary of the stock option exercises and vesting activity for the years ended December 31, 2016, 2015 and 2014:



	2016		2015		2014
Total intrinsic value of stock options exercised	$	12.4	$	1.3	$	1.5
Cash received from stock option exercises	30.3		2.2		2.7
Total grant date fair value of stock options vested	0.3		1.8		3.4

The following table is a summary of RS and RSU award activity for the year ended December 31, 2016:



	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, 2015	1,549,624		$	22.56	1.3	97,746		$	16.58	1.7
Granted	1,315,571		9.43			175,228		10.08
Vested	(337,979	)	20.44			(22,282	)	22.76
Forfeited	(41,827	)	23.07			(14,806	)	18.55
Nonvested at December 31, 2016	2,485,389		$	15.89	1.5	235,886		$	11.04	1.8

The following table is a summary of DSU award activity for the year ended December 31, 2016:



	Deferred Stock Units
	Units	Weighted Average Grant Date Fair Value Per Share
Outstanding at December 31, 2015	156,807	$	20.51
Granted	78,750	9.30
Dividend equivalents granted	14,182	20.63
Settled	—	—
Forfeited	—	—
Outstanding at December 31, 2016	249,739	$	16.98