|
Investment in Other Affiliates (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2012
|
Dec. 31, 2011
|
|---|---|---|
|
Brammo, Inc
|
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| Investments in and Advances to Affiliates [Line Items] | ||
| Investment in affiliates | $ 12,000 | $ 5,000 |
|
Eicher Motors Limited
|
||
| Investments in and Advances to Affiliates [Line Items] | ||
| Investment in affiliates | 817 | |
|
Other Affiliates
|
||
| Investments in and Advances to Affiliates [Line Items] | ||
| Investment in affiliates | $ 12,817 | $ 5,000 |