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Stock Compensation Plans (EPS PSUs Activity) (Details) - EPS PSUs - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Shares (in thousands)
Nonvested shares, beginning of period (shares)	247
Granted (shares)	122
Vested (shares)	0
Forfeited (shares)	(106)
Nonvested shares, end of period (shares)	263	247
Weighted-Average Grant-Date Fair Value
Nonvested shares, beginning of period (in dollars per share)	$ 33.47
Granted (in dollars per share)	27.23	$ 35.36	$ 39.20
Vested (in dollars per share)	0
Forfeited (in dollars per share)	28.46
Nonvested shares, end of period (in dollars per share)	$ 32.58	$ 33.47
Management
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of maximum amount available for issuance	50.00%	18.00%	0.00%

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Percentage of maximum amount available for issuance.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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