Income Taxes (Aggregate Changes In Balance Of Gross Unrecognized Tax Benefits, Excluding Interest And Penalties) (Details) (USD $) In Thousands | 12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2011 | Sep. 24, 2010 | Apr. 01, 2011 | |
| Income Taxes [Abstract] | |||
| Unrecognized Tax Benefits, Beginning Balance | $ 16,558 | $ 16,916 | $ 300 |
| Lapse of statute of limitations | (1,097) | (2,143) | |
| Decreases in balances related to tax positions taken during prior years | (8,083) | ||
| Increases in balances related to tax positions taken during prior years | 1,006 | 520 | |
| Increases in balances related to tax positions taken during the current year | 299 | 1,265 | |
| Unrecognized Tax Benefits, Ending Balance | $ 8,683 | $ 16,558 | $ 300 |
| X | ||||||||||
- Details
|
| X | ||||||||||
- Definition The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The gross amount of decreases in unrecognized tax benefits resulting from lapses of the applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|