Relocation and Restructuring HQ Relocation (Details) (USD $)	3 Months Ended	6 Months Ended	11 Months Ended	12 Months Ended	15 Months Ended	26 Months Ended	3 Months Ended																9 Months Ended
	Dec. 31, 2012 Employee Relocation [Member]	Dec. 31, 2012 Employee Relocation [Member]	Sep. 30, 2012 Employee Relocation [Member]	Dec. 31, 2012 Employee Relocation [Member]	Dec. 31, 2013 Employee Relocation [Member]	Dec. 31, 2013 Employee Relocation [Member]	Sep. 30, 2012 One-time termination costs [Member]	Jun. 30, 2012 One-time termination costs [Member]	Mar. 31, 2012 One-time termination costs [Member]	Sep. 30, 2012 Relocation, recruiting, and other costs [Member]	Jun. 30, 2012 Relocation, recruiting, and other costs [Member]	Mar. 31, 2012 Relocation, recruiting, and other costs [Member]	Sep. 30, 2012 Total exit costs [Member]	Jun. 30, 2012 Total exit costs [Member]	Mar. 31, 2012 Total exit costs [Member]	Sep. 30, 2012 Other relocation costs [Member]	Jun. 30, 2012 Other relocation costs [Member]	Mar. 31, 2012 Other relocation costs [Member]	Sep. 30, 2012 Total [Member]	Jun. 30, 2012 Total [Member]	Mar. 31, 2012 Total [Member]	Sep. 30, 2011 Other severance [Member]	Sep. 30, 2011 Other severance [Member]
Restructuring Cost and Reserve [Line Items]
Expected number of positions relocated from Cincinnati				300
Expected number of positions relocated from elsewhere in the US				100
Relocation expected cost						$ 30,000,000
Restructuring and related cost, expected capital expenditures		5,000,000
Restructuring and related cost, cost incurred to date			23,000,000
Restructuring and related costs, cost incurred to date, capital expenditures			4,000,000
Restructuring and related cost, expected capital expenditures costs remaining in future periods	1,000,000
Restructuring and related cost, expected relocation costs remaining (excluding capital expenditures)					2,000,000
Restructuring Reserve [Roll Forward]
Beginning balance							5,700,000	5,899,000	5,303,000	2,097,000	1,128,000	244,000	7,797,000	7,027,000	5,547,000	282,000	0	108,000	8,079,000	7,027,000	5,655,000
Amounts expensed							748,000	1,026,000	1,131,000	4,182,000	3,681,000	2,384,000	4,930,000	4,707,000	3,515,000	1,536,000	2,063,000	348,000	6,466,000	6,770,000	3,863,000	1,000,000	3,000,000
Amounts paid							(2,831,000)	(1,225,000)	(535,000)	(4,703,000)	(2,712,000)	(1,500,000)	(7,534,000)	(3,937,000)	(2,035,000)	(1,680,000)	(1,781,000)	(456,000)	(9,214,000)	(5,718,000)	(2,491,000)
Ending balance							$ 3,617,000	$ 5,700,000	$ 5,899,000	$ 1,576,000	$ 2,097,000	$ 1,128,000	$ 5,193,000	$ 7,797,000	$ 7,027,000	$ 138,000	$ 282,000	$ 0	$ 5,331,000	$ 8,079,000	$ 7,027,000