Accrued Expenses (Significant Components of Accrued Expenses) (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Schedule of Accrued Liabilities [Line Items]
Uninvoiced inventory receipts	$ 23,744	$ 12,061
Employee-related accruals	24,463	22,994
Other	32,078	33,243
Accrued Liabilities, Current, Total	$ 80,285	$ 68,298