Long-Term Debt Convertible Senior Subordinated Notes (Details) - Convertible Debt [Member]			1 Months Ended
	Feb. 13, 2014 USD ($)	Aug. 30, 2013 USD ($)	Jul. 31, 2009 USD ($)	Jul. 01, 2014 USD ($)	Jul. 02, 2009 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 55,000,000	$ 115,000,000		$ 1,093,000
Debt instrument, convertible, principal conversion tranche			$ 1,000,000
Cash tender offer of convertible notes	53,907,000	60,000,000
Conversion price per dollar of principal	1.025	1.03
Accrued and unpaid interest and other costs	1,694,000	2,533,000
Accelerated deferred financing costs	$ 162,000	$ 412,000
5 1/2% Convertible Senior Subordinated Notes Due 2014 [Member]
Debt Instrument [Line Items]
Debt instrument, face amount					$ 100,000,000
Debt instrument, increase, additional borrowings			15,000,000
Debt instrument, convertible, principal conversion tranche			$ 1,000,000
Debt instrument, convertible, conversion ratio (in shares)			198.8862