Property and Equipment, Net - Depreciation Expense Table (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended	3 Months Ended		6 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 Continuing Operations [Member]	Jun. 30, 2012 Continuing Operations [Member]	Jun. 30, 2013 Continuing Operations [Member]	Sep. 30, 2011 Continuing Operations [Member]	Jun. 30, 2013 Cost of Sales [Member] Continuing Operations [Member]	Jun. 30, 2012 Cost of Sales [Member] Continuing Operations [Member]	Jun. 30, 2013 Cost of Sales [Member] Continuing Operations [Member]	Sep. 30, 2011 Cost of Sales [Member] Continuing Operations [Member]	Jun. 30, 2013 Selling, General and Administrative Expenses [Member] Continuing Operations [Member]	Jun. 30, 2012 Selling, General and Administrative Expenses [Member] Continuing Operations [Member]	Jun. 30, 2013 Selling, General and Administrative Expenses [Member] Continuing Operations [Member]	Sep. 30, 2011 Selling, General and Administrative Expenses [Member] Continuing Operations [Member]
Depreciation Expense [Line Items]
Depreciation expense	$ 14,560	$ 12,690	$ 7,510	$ 6,240	$ 14,560	$ 12,690	$ 6,410	$ 5,380	$ 12,470	$ 11,020	$ 1,100	$ 860	$ 2,090	$ 1,670