Quarterly Results of Operations (Unaudited) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2012
Net sales	$ 792,686	$ 806,961	$ 779,026	$ 827,105	$ 813,111	$ 802,829	$ 757,874	$ 789,227	$ 3,205,778	$ 3,163,041	$ 2,999,733
Gross profit	356,272	375,757	347,945	385,387	379,836	377,959	343,858	360,478
Income (loss) from continuing operations before income taxes	(177,856)	48,028	15,468	80,353	63,764	70,203	(18,050)	68,440	(34,007)	184,358	234,783
Loss from discontinued operations, net of taxes					43,461	51,250	(10,401)	45,171			(23,048)
Net income (loss)	(141,140)	33,267	9,900	53,821					(44,152)	129,480	146,471
Impairment adjustments	207,334
Facility restructuring charges							30,200			32,695
Amount related to accrual of an anticipated legal settlement					$ 12,000		$ 12,000			$ 12,000