|
Fair Value Measurements (Details) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | |
|---|---|---|
|
Dec. 29, 2012
|
Dec. 31, 2011
|
|
| Financial assets valued on recurring basis | ||
| Assets, fair value | $ 1,140 | $ 13,564 |
|
Level 1 [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 1,140 | 11,460 |
|
Level 2 [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Level 3 [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 2,104 | |
|
Valuation Techniques a [Member] | Cash and cash equivalents [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 1,030 | 10,335 |
| Valuation Techniques | (a) | (a) |
|
Valuation Techniques a [Member] | Investments - mutual funds [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 110 | 1,125 |
| Valuation Techniques | (a) | (a) |
|
Valuation Techniques a [Member] | Level 1 [Member] | Cash and cash equivalents [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 1,030 | 10,335 |
|
Valuation Techniques a [Member] | Level 1 [Member] | Investments - mutual funds [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 110 | 1,125 |
|
Valuation Techniques a [Member] | Level 2 [Member] | Cash and cash equivalents [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Valuation Techniques a [Member] | Level 2 [Member] | Investments - mutual funds [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Valuation Techniques a [Member] | Level 3 [Member] | Cash and cash equivalents [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Valuation Techniques a [Member] | Level 3 [Member] | Investments - mutual funds [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Valuation Techniques b [Member] | Investments - ARPS [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | 2,104 | |
| Valuation Techniques | (b) | |
|
Valuation Techniques b [Member] | Level 2 [Member] | Investments - ARPS [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | ||
|
Valuation Techniques b [Member] | Level 3 [Member] | Investments - ARPS [Member]
|
||
| Financial assets valued on recurring basis | ||
| Assets, fair value | $ 2,104 | |