Taxes on Earnings - Schedule of Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands	Oct. 02, 2015	Sep. 26, 2014
Income Tax Disclosure [Abstract]
Deferred revenues	$ 28,200	$ 26,900
Deferred compensation	33,500	37,300
Product warranty	10,500	10,900
Inventory adjustments	20,900	19,700
Equity-based compensation	22,800	28,800
Environmental reserve	4,300	4,800
Accruals and reserves	14,300	14,300
Net operating loss carryforwards	92,600	79,100
Other	31,700	38,200
Total deferred tax assets, gross	258,800	260,000
Valuation allowance	(69,700)	(67,500)
Total deferred tax assets	189,100	192,500
Tax-deductible goodwill	(23,300)	(27,700)
Fixed assets	(15,500)	(16,300)
Unremitted earnings of foreign subsidiaries	(27,900)	(24,000)
Other	(34,800)	(29,300)
Total deferred tax liabilities	101,500	97,300
Net deferred tax assets	87,600	95,200
Deferred tax assets	132,066	125,962
Net long-term deferred tax assets (included in other assets)	9,400	11,500
Net current deferred tax liabilities (included in accrued liabilities)	(6,400)	(10,800)
Net long-term deferred tax liabilities (included in other long-term liabilities)	$ (47,500)	$ (31,500)