XML 32 R71.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Information of Option Outstanding and Exercisable (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Options Outstanding and Exercisable, Number | 632 | 2,091 | 4,450 | 5,316
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life | 11 months 19 days |  |  |
Options Outstanding and Exercisable, Weighted-Average Exercise Price | $ 27.41 | $ 24.80 | $ 21.85 | $ 22.04
Options Outstanding and Exercisable, Aggregate Intrinsic Value | $ 9,217 |  |  |
$23.49 to $26.12 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower | $ 23.49 |  |  |
Range of Exercise Prices, Upper | $ 26.12 |  |  |
Options Outstanding and Exercisable, Number | 163 |  |  |
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life | 1 year 1 month 2 days |  |  |
Options Outstanding and Exercisable, Weighted-Average Exercise Price | $ 25.82 |  |  |
Options Outstanding and Exercisable, Aggregate Intrinsic Value | 2,639 |  |  |
$26.13 to $26.13 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower | $ 26.13 |  |  |
Range of Exercise Prices, Upper | $ 26.13 |  |  |
Options Outstanding and Exercisable, Number | 11 |  |  |
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life | 3 months 18 days |  |  |
Options Outstanding and Exercisable, Weighted-Average Exercise Price | $ 26.13 |  |  |
Options Outstanding and Exercisable, Aggregate Intrinsic Value | 173 |  |  |
$26.56 to $26.56 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower | $ 26.56 |  |  |
Range of Exercise Prices, Upper | $ 26.56 |  |  |
Options Outstanding and Exercisable, Number | 239 |  |  |
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life | 9 months 26 days |  |  |
Options Outstanding and Exercisable, Weighted-Average Exercise Price | $ 26.56 |  |  |
Options Outstanding and Exercisable, Aggregate Intrinsic Value | 3,688 |  |  |
$27.36 to $33.89 |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Range of Exercise Prices, Lower | $ 27.36 |  |  |
Range of Exercise Prices, Upper | $ 33.89 |  |  |
Options Outstanding and Exercisable, Number | 219 |  |  |
Options Outstanding and Exercisable, Weighted-Average Remaining Contractual Life | 1 year 22 days |  |  |
Options Outstanding and Exercisable, Weighted-Average Exercise Price | $ 29.58 |  |  |
Options Outstanding and Exercisable, Aggregate Intrinsic Value | $ 2,717 |  |  |

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options 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 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + 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) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average remaining contractual term for option awards outstanding, 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
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration