Income Taxes (Provision For Income Tax Rate To Statutory Rate Reconciliation) (Details)	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Provision at statutory rate	35.00%	35.00%	35.00%
State taxes, net of federal benefit	1.70%	1.60%	1.60%
Domestic manufacturing deduction	(2.10%)	(1.70%)	(1.60%)
Research and development credit	(0.40%)	(0.90%)	0.00%
Unrecognized tax benefits including interest and penalties	0.20%	0.90%	0.10%
Valuation allowance adjustments	(0.10%)	(0.30%)	(0.30%)
Tax audit settlements	0.00%	0.10%	(0.10%)
Adjustments for previously accrued taxes	(0.30%)	(0.20%)	(0.40%)
Other	0.20%	(0.40%)	0.80%
Provision for income taxes	34.20%	34.10%	35.10%

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to revisions of previously reported income tax expense.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax contingencies. Includes, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies.

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Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to income tax settlements. Including, but not limited to, domestic tax settlement, foreign tax settlement, state and local tax settlement, and other tax settlements.

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