v2.4.0.6

Stock Compensation Plans (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2011 Y
Range of exercise price |
Stock options outstanding and stock options exercisable |
Stock options, outstanding (in shares) | 9,116
Stock options exercisable (in shares) | 7,833
Range of exercise price, $ 14.71 - $ 22.86 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 14.71
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 22.86
Stock options, outstanding (in shares) | 2,718
Weighted average remaining contractual life of stock options outstanding (in years) | 2.66
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 20.95
Stock options exercisable (in shares) | 2,718
Weighted average remaining contractual life of stock options exercisable (in years) | 2.66
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 20.95
Range of exercise price, $ 22.87 - $ 25.51 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 22.87
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 25.51
Stock options, outstanding (in shares) | 663
Weighted average remaining contractual life of stock options outstanding (in years) | 3.40
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 25.37
Stock options exercisable (in shares) | 663
Weighted average remaining contractual life of stock options exercisable (in years) | 3.40
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 25.37
Range of exercise price, $ 25.52 - $ 32.53 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 25.52
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 32.53
Stock options, outstanding (in shares) | 1,069
Weighted average remaining contractual life of stock options outstanding (in years) | 2.95
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 27.53
Stock options exercisable (in shares) | 1,069
Weighted average remaining contractual life of stock options exercisable (in years) | 2.95
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 27.53
Range of exercise price, $ 32.54 - $ 36.88 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 32.54
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 36.88
Stock options, outstanding (in shares) | 1,277
Weighted average remaining contractual life of stock options outstanding (in years) | 2.96
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 36.05
Stock options exercisable (in shares) | 1,037
Weighted average remaining contractual life of stock options exercisable (in years) | 2.41
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 35.96
Range of exercise price, $ 36.89 - $ 43.44 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 36.89
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 43.44
Stock options, outstanding (in shares) | 2,309
Weighted average remaining contractual life of stock options outstanding (in years) | 3.04
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 39.72
Stock options exercisable (in shares) | 1,757
Weighted average remaining contractual life of stock options exercisable (in years) | 2.35
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 39.92
Range of exercise price, $ 43.45 - $ 52.93 |
Stock options outstanding and stock options exercisable |
Stock options, range of exercise prices, low end of the range (in dollars per share) | $ 43.45
Stock options, range of exercise prices, high end of the range (in dollars per share) | $ 52.93
Stock options, outstanding (in shares) | 1,080
Weighted average remaining contractual life of stock options outstanding (in years) | 4.49
Weighted average exercise price of stock options outstanding (in dollars per share) | $ 46.24
Stock options exercisable (in shares) | 589
Weighted average remaining contractual life of stock options exercisable (in years) | 4.09
Weighted average exercise price of stock options exercisable (in dollars per share) | $ 45.54

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- Definition The weighted average period between the balance sheet date and expiration for all awards outstanding under the plan, which may be expressed in a decimal value for number of years. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e)(1) -SubTopic 10 -Topic 718 -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 remaining life of the exercisable 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 (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + 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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(c) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph b(1)(a, b) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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 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 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 Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: 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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