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Income Taxes (Reconciliation Of Income Tax Rates) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Income Taxes [Abstract] |  |  |
Statutory rate, Percent | 35.00% | 35.00% | 35.00%
Foreign tax rate differential, Percent | 0.30% | 0.80% | (2.20%)
State income tax, net of federal benefit, Percent | 2.00% | 0.30% | 2.70%
Non-deductible goodwill impairment, Percent | (7.80%) | (25.20%) | 0.00%
Nondeductible expenses, Percent | (0.20%) | (0.90%) | 1.80%
Domestic production activities deduction, Percent | (0.50%) | 1.00% | (2.20%)
Change in liability for unrecognized tax benefits, Percent |  | 0.40% | (0.80%)
Change in permanent reinvestment assertion, Percent | (5.40%) | 0.00% | 0.00%
Change in valuation allowance, Percent | (20.20%) | 0.00% | 0.00%
Other, Percent | 0.50% | 0.70% | 0.00%
Effective income tax rate, total | 3.70% | 12.10% | 34.30%
Statutory rate, Amount | $ (51,509) | $ (17,702) | $ 13,671
Foreign tax rate differential, Amount | (485) | (419) | (870)
State income taxes, net of federal benefit, Amount | (2,893) | (159) | 1,065
Non-deductible goodwill impairment, Amount | 11,448 | 12,737 |
Non-deductible expenses, Amount | 262 | 452 | 708
Domestic production activities deduction, Amount | 700 | (507) | (851)
Change in liability for unrecognized tax benefits, Amount | 42 | (198) | (327)
Change in permanent reinvestment assertion, Amount | 7,932 |  |
Change in valuation allowance, Amount | 29,719 |  |
Other, Amount | (725) | (336) | 8
Total income tax (benefit) expense | $ (5,509) | $ (6,132) | $ 13,404

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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I) -URI http://asc.fasb.org/extlink&oid=34349781&loc=d3e330036-122817 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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- Definition Amount 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 increase (decrease) in income tax contingencies. Including, but not limited to, domestic tax contingency, foreign tax contingency, state and local tax contingency, and other contingencies. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration