Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2015

Share-based Compensation, Allocation and Classification in Financial Statements [Abstract]

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award

The following table shows certain information as of December 31, 2015, with respect to compensation plans under which common shares are authorized for issuance:

Shares (in millions)	Number of Common Shares to be Issued Upon Exercise	Weighted Average Exercise Price		Common Shares Available for Future Issuance
Equity compensation plans approved by shareholders
Stock options	0.5	$	13.33	—
Restricted stock units	2.2	—		—
	2.7	$	13.33	7.4

Schedule of Share-based Compensation, Stock Options, Activity

Presented below is a summary of Company stock option activity:

Shares (in millions)	Shares		Weighted Average Exercise Price
Options outstanding at January 1, 2013	1.2		$	12.91
Options exercisable at January 1, 2013	0.3		11.86
Granted	—		—
Exercised	(0.3	)	12.24
Forfeited	(0.1	)	13.31
Options outstanding at December 31, 2013	0.8		$	13.11
Options exercisable at December 31, 2013	0.2		$	13.14
Granted	—		—
Exercised	(0.1	)	12.38
Forfeited	—		—
Options outstanding at December 31, 2014	0.7		$	13.24
Options exercisable at December 31, 2014	0.5		$	13.41
Granted	—		—
Exercised	(0.2	)	13.09
Forfeited	—		—
Options outstanding at December 31, 2015	0.5		$	13.33
Options exercisable at December 31, 2015	0.5		$	13.33

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

The following table summarizes the status of the Company stock options outstanding and exercisable at December 31, 2015:

Shares (in millions)	Options Outstanding				Options Exercisable
Range of Exercise Prices	Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price		Shares	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price
$11.56 to $21.81	0.5	5.6	13.33		0.5	5.6	13.33
Total	0.5	5.6	$	13.33	0.5	5.6	$	13.33