Debt (Senior Secured Notes) (Details) (USD $) In Millions, unless otherwise specified		3 Months Ended			6 Months Ended	3 Months Ended			6 Months Ended
	Mar. 31, 2013 Senior Secured Notes [Member]	Mar. 31, 2013 High [Member] Shelf Notes [Member]	Mar. 31, 2013 Maximum [Member]	Mar. 31, 2013 Maximum [Member] Senior Secured Notes [Member]	Jun. 24, 2012 Minimum [Member]	Mar. 31, 2013 Minimum [Member] Senior Secured Notes [Member]	Mar. 25, 2012 Debt Covenant Compliance February 2012 [Member]	Mar. 31, 2013 Debt Covenant Compliance July 2012 [Member]	Jun. 24, 2012 Debt Covenant Compliance July 2012 [Member]	Mar. 31, 2013 Series A Senior Secured Notes [Member] Debt Covenant Compliance July 2012 [Member]	Mar. 31, 2013 Series B Senior Secured Notes [Member] Debt Covenant Compliance July 2012 [Member]	Mar. 31, 2013 Series C Senior Secured Notes [Member] Debt Covenant Compliance July 2012 [Member]
Debt Instrument [Line Items]
Leverage ratio			2.75	2.75			2.75
Adjusted Leverage Ratio Q1 2012							3.00
Adjusted Leverage Ratio Q2 2012							3.35		5.25
Adjusted Leverage Ratio Q3 2012							3.25		6.50
Adjusted leverage ratio Q4 2012									5.50
Adjusted leverage ratio Q1 2013									3.50
Adjusted leverage ratio Q2 2013									2.75
Cash restructuring excluded from EBITDA calculation								$ 25.0
Fixed charge covenant Q4 2012									1.00
Fixed charge coverage ratio					1.25	1.25
Interest rate										5.75%	6.13%	6.50%
Additional fixed rate senior secured note		50.0
Percentage of stock pledge of domestic subsidiaries	100.00%
Percentage of stock pledge of all first-tier foreign subsidiaries	65.00%
Book value of collateral of bank facility	$ 119