Earnings Per Share - Antidilutive Securities (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	6 Months Ended
Mar. 31, 2013	Apr. 01, 2012	Mar. 31, 2013	Apr. 01, 2012
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Preferred shares (as-converted basis)	62,839	62,215	62,839	62,215
Preferred share conversion price	$ 6.64		$ 6.64
Basic (in dollars per share)	$ (0.33)	$ (0.03)	$ 0.08	$ 0.10
Diluted (in dollars per share)	$ (0.33)	$ (0.03)	$ 0.06	$ 0.10
Basic earnings per share adjusted (in dollars per share)		$ (0.02)
Diluted earnings per share adjusted (in dollars per share)		$ (0.02)
Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	566
Restricted stock awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share	1,403

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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+ Details

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References+ Details