Consolidating Guarantor and Non-Guarantor Financial Information (Schedule Of Consolidating Statement Of Operations and Other Comprehensive Income) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Net sales	$ 288.1	$ 283.1	$ 545.5	$ 528.2
Cost of sales	205.9	205.8	396.2	393.8
Gross profit	82.2	77.3	149.3	134.4
Operating expenses:
Selling, general and administrative	54.2	52.6	107.2	102.1
Restructuring	2.7	0.4	2.8	1.1
Total operating expenses	56.9	53.0	110.0	103.2
Operating income	25.3	24.3	39.3	31.2
Interest expense, net	12.5	12.8	25.1	26.3
Loss on early extinguishment of debt		1.4
Income (loss) before income taxes	12.8	10.1	14.2	3.5
Income tax expense (benefit)	(3.1)	(2.5)	(3.4)	(0.9)
Equity in income (loss) of subsidiaries	0	0	0	0
Income (loss) from continuing operations	9.7	7.6	10.8	2.6
Income (loss) from discontinued operations, net of tax	0	(1.4)	0	10.6
Net income (loss)	9.7	6.2	10.8	13.2
Net income			10.8
Issuer [Member]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Operating expenses:
Selling, general and administrative	8.4	8.0	17.5	15.1
Restructuring	0	0	0	0
Total operating expenses	8.4	8.0	17.5	15.1
Operating income	(8.4)	(8.0)	(17.5)	(15.1)
Interest expense, net	(12.6)	12.9	25.2	26.3
Loss on early extinguishment of debt		1.4
Income (loss) before income taxes	(21.0)	(22.3)	(42.7)	(42.8)
Income tax expense (benefit)	8.9	5.4	16.8	10.4
Equity in income (loss) of subsidiaries	21.8	24.5	36.7	35.0
Income (loss) from continuing operations		7.6		2.6
Income (loss) from discontinued operations, net of tax		(1.4)		10.6
Net income (loss)	9.7	6.2	10.8	13.2
Net income			10.8
Guarantor Subsidiaries [Member]
Net sales	266.6	258.0	502.4	479.8
Cost of sales	187.9	185.6	360.6	353.2
Gross profit	78.7	72.4	141.8	126.6
Operating expenses:
Selling, general and administrative	42.7	41.6	83.4	80.8
Restructuring	2.7	0.4	2.8	1.1
Total operating expenses	45.4	42.0	86.2	81.9
Operating income	33.3	30.4	55.6	44.7
Interest expense, net	0	0	0.1	0.1
Loss on early extinguishment of debt		0
Income (loss) before income taxes	33.3	30.4	55.5	44.6
Income tax expense (benefit)	(12.0)	(7.7)	(20.0)	(11.2)
Equity in income (loss) of subsidiaries	0.5	1.8	1.2	1.6
Income (loss) from continuing operations		24.5		35.0
Income (loss) from discontinued operations, net of tax		0		0
Net income (loss)	21.8	24.5	36.7	35.0
Net income			36.7
Non-Guarantor Subsidiaries [Member]
Net sales	21.5	25.1	43.1	48.4
Cost of sales	18.0	20.2	35.6	40.6
Gross profit	3.5	4.9	7.5	7.8
Operating expenses:
Selling, general and administrative	3.1	3.0	6.3	6.2
Restructuring	0	0	0	0
Total operating expenses	3.1	3.0	6.3	6.2
Operating income	0.4	1.9	1.2	1.6
Interest expense, net	0.1	(0.1)	(0.2)	(0.1)
Loss on early extinguishment of debt		0
Income (loss) before income taxes	0.5	2.0	1.4	1.7
Income tax expense (benefit)	0	(0.2)	(0.2)	(0.1)
Equity in income (loss) of subsidiaries	0	0	0	0
Income (loss) from continuing operations		1.8		1.6
Income (loss) from discontinued operations, net of tax		0		0
Net income (loss)	0.5	1.8	1.2	1.6
Net income			1.2
Consolidation, Eliminations [Member]
Net sales	0	0	0	0
Cost of sales	0	0	0	0
Gross profit	0	0	0	0
Operating expenses:
Selling, general and administrative	0	0	0	0
Restructuring	0	0	0	0
Total operating expenses	0	0	0	0
Operating income	0	0	0	0
Interest expense, net	0	0	0	0
Loss on early extinguishment of debt		0
Income (loss) before income taxes	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Equity in income (loss) of subsidiaries	(22.3)	(26.3)	(37.9)	(36.6)
Income (loss) from continuing operations		(26.3)		(36.6)
Income (loss) from discontinued operations, net of tax		0		0
Net income (loss)	(22.3)	(26.3)	(37.9)	(36.6)
Net income			$ (37.9)