Consolidating Guarantor and Non-Guarantor Financial Information (Schedule of Consolidating Statements of Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Sep. 30, 2013
Net income (loss)	$ 1.1	$ 7.0	$ 1.1
Other comprehensive income (loss):
Minimum pension liability, net of tax	(3.0)	3.4
Other Comprehensive Income (Loss) from Consolidated Subsidiaries	0	0
Foreign currency translation	(2.0)	(0.7)
Other Comprehensive Income (Loss), Net of Tax	(5.0)	2.7	(5.0)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(3.9)	9.7
Issuer [Member]
Net income (loss)	1.1	7.0
Other comprehensive income (loss):
Minimum pension liability, net of tax	(3.0)	3.4
Other Comprehensive Income (Loss) from Consolidated Subsidiaries	(2.0)	(0.7)
Foreign currency translation	0	0
Other Comprehensive Income (Loss), Net of Tax	(5.0)	2.7
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(3.9)	9.7
Guarantor Companies [Member]
Net income (loss)	14.9	10.5
Other comprehensive income (loss):
Minimum pension liability, net of tax	0	0
Other Comprehensive Income (Loss) from Consolidated Subsidiaries	(2.0)	(0.7)
Foreign currency translation	0	0
Other Comprehensive Income (Loss), Net of Tax	(2.0)	(0.7)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	12.9	9.8
Non-Guarantor Companies [Member]
Net income (loss)	0.7	(0.2)
Other comprehensive income (loss):
Minimum pension liability, net of tax	0	0
Other Comprehensive Income (Loss) from Consolidated Subsidiaries	0	0
Foreign currency translation	(2.0)	(0.7)
Other Comprehensive Income (Loss), Net of Tax	(2.0)	(0.7)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	(1.3)	(0.9)
Consolidation, Eliminations [Member]
Net income (loss)	(15.6)	(10.3)
Other comprehensive income (loss):
Minimum pension liability, net of tax	0	0
Other Comprehensive Income (Loss) from Consolidated Subsidiaries	4.0	1.4
Foreign currency translation	0	0
Other Comprehensive Income (Loss), Net of Tax	4.0	1.4
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	$ (11.6)	$ (8.9)