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Stock Compensation Plans (Weighted-average remaining contractual lives of stock options outstanding) (Details) shares in Thousands | 12 Months Ended
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Dec. 31, 2015 $ / shares shares
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding - number outstanding | shares | 6,040
Options outstanding - weighted average per share exercise price | $ 19
Options exercisable - number exercisable | shares | 6,040
Options exercisable - weighted average per share exercise price | $ 19
Weighted average remaining contractual term | 2 years 8 months
$0.01 to $10.00 [Member] |
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding - number outstanding | shares | 326
Options outstanding - weighted average per share exercise price | $ 8
Options exercisable - number exercisable | shares | 326
Options exercisable - weighted average per share exercise price | $ 8
Exercise price range, lower range limit | 0.01
Exercise price range, upper range limit | $ 10.00
Weighted average remaining contractual term | 4 years 10 months
$10.01 to $20.00 [Member] |
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding - number outstanding | shares | 3,697
Options outstanding - weighted average per share exercise price | $ 12
Options exercisable - number exercisable | shares | 3,697
Options exercisable - weighted average per share exercise price | $ 12
Exercise price range, lower range limit | 10.01
Exercise price range, upper range limit | $ 20.00
Weighted average remaining contractual term | 3 years 6 months
$20.01 to $30.00 [Member] |
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding - number outstanding | shares | 152
Options outstanding - weighted average per share exercise price | $ 28
Options exercisable - number exercisable | shares | 152
Options exercisable - weighted average per share exercise price | $ 28
Exercise price range, lower range limit | 20.01
Exercise price range, upper range limit | $ 30.00
Weighted average remaining contractual term | 1 year
$30.01 to $40.00 [Member] |
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Options outstanding - number outstanding | shares | 1,865
Options outstanding - weighted average per share exercise price | $ 34
Options exercisable - number exercisable | shares | 1,865
Options exercisable - weighted average per share exercise price | $ 34
Exercise price range, lower range limit | 30.01
Exercise price range, upper range limit | $ 40.00
Weighted average remaining contractual term | 1 year
$40.01 to $45.00 [Member] |
Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price range, lower range limit | $ 40.01
Exercise price range, upper range limit | $ 45.00

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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