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Restructuring and Other Charges Activity Related to Restructuring Accruals (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 1,412	$ 2,098
Expense	747	4,670
Utilization	(697)	(1,975)
Ending Balance	1,462	4,793
Facilities and Other
Restructuring Reserve [Roll Forward]
Beginning Balance	155	0
Expense	6	578
Utilization	(104)	(313)
Ending Balance	57	265
Workforce-related
Restructuring Reserve [Roll Forward]
Beginning Balance	1,257	2,098
Expense	741	4,092
Utilization	(593)	(1,662)
Ending Balance	$ 1,405	$ 4,528

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

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- Definition

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

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