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Amount due from customers, clients, or other third-parties, or arising from transactions not separately disclosed, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), net of allowances established for the purpose of reducing such receivables to an amount that approximates their net realizable value.

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Recorded Investment in financing receivables that are past due at the balance sheet date.

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An amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date(s) more than one year from the balance sheet date. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among a myriad of other features and characteristics. This amount does not include amounts related to receivables held-for-sale.

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Deferred Revenue and Financing Receivables (Details) (USD $)	6 Months Ended
	Apr. 04, 2015	Mar. 29, 2014	Sep. 30, 2014
Deferred Revenue and Financing Receivables [Line Items]
Financing Receivable, Net	$ 32,479,000us-gaap_NotesReceivableNet
Allowance for Doubtful Accounts Receivable			0
Maximum payment terms on software purchases for credit-worthy customers (in months)	24 months
Financing Receivable, Gross	32,500,000us-gaap_NotesReceivableGross		58,141,000us-gaap_NotesReceivableGross
Receivables past due	400,000		0
Reserve for credit losses	0
Sale of finance receivable	1,100,000	12,000,000
S&P bond rating BBB-1 and above-Tier 1
Deferred Revenue and Financing Receivables [Line Items]
Financing Receivable, Net	20,485,000		41,152,000
Internal Credit Assessment-Tier 2
Deferred Revenue and Financing Receivables [Line Items]
Financing Receivable, Net	11,994,000		16,989,000
Internal Credit Assessment-Tier 3
Deferred Revenue and Financing Receivables [Line Items]
Financing Receivable, Net	0		0
Accounts Receivable
Deferred Revenue and Financing Receivables [Line Items]
Current receivables from contracts	28,000,000		44,600,000
Other Assets
Deferred Revenue and Financing Receivables [Line Items]
Billed but uncollected maintenance receivable	141,100,000		116,200,000
Long-term receivables from contracts	$ 4,500,000		$ 13,500,000