XML 108 R69.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds (Performance and Time-vesting RSUs [Member], USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013
Less than Minimum [Member] |
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items] |
Adjusted earnings per share attainment level (in Dollars per share) | $ 0.00
% of earned RSUs | 0.00%
Minimum [Member] |
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items] |
Adjusted earnings per share attainment level (in Dollars per share) | $ 0.01
% of earned RSUs | 30.00%
Median [Member] |
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items] |
Adjusted earnings per share attainment level (in Dollars per share) | $ 3.21
% of earned RSUs | 60.00%
Maximum [Member] |
Note 10 - Stock Based Compensation (Details) - Percentage of Granted RSUs Earned Based on Attainment Thresholds [Line Items] |
Adjusted earnings per share attainment level (in Dollars per share) | $ 3.53
% of earned RSUs | 100.00%

X
- Definition Description of an award term representing attainments level used to determine the number of restricted stock units earned once certain performance levels have been met + References No definition available. + Details
Name: | lad_AttainmentLevel
Namespace Prefix: | lad_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | lad_Note10StockBasedCompensationDetailsPercentageofGrantedRSUsEarnedBasedonAttainmentThresholdsLineItems
Namespace Prefix: | lad_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Target level of earnings per share. + References No definition available. + Details
Name: | lad_ShareBasedCompensationArrangementByShareBasedPaymentAwardAttainmentLevelOfEarningsPerShare
Namespace Prefix: | lad_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration