Accounting Policies - Additional Information (Detail) $ in Thousands, € in Millions	1 Months Ended	11 Months Ended	12 Months Ended
	Apr. 30, 2015 EUR (€)	Oct. 02, 2015 USD ($) shares	Sep. 29, 2017 USD ($) shares	Sep. 30, 2016 USD ($) shares	Oct. 02, 2015 USD ($)
Accounting Policies [Line Items]
Fair market value of long-term debt and short-term borrowings			$ 794,900	$ 870,500
Maturities of forecasted transactions using forward exchange contracts			24 months
Accumulated loss on foreign currency translation adjustment		$ 226,000	$ 222,629	268,845	$ 226,000
Gain (loss) on foreign currency transactions		1,300	(11,900)	19,800
Depreciation expense		50,700	58,200	49,500
Depreciation expense included in discontinued operations		700
Assets under capital leases		$ 40,700	$ 50,500	$ 48,200	40,700
Anti-dilutive shares excluded from computation of earnings per share | shares		409,050	637,800	602,900
Weighted average number of shares outstanding used to compute basic earnings per share | shares		30,729,000	29,767,000	29,490,000
Weighted average number of shares outstanding used to compute diluted earnings per share | shares		31,215,000	30,003,000	29,764,000
Tax expense (benefit)		$ 18,956	$ 38,928	$ 22,535	26,911	[1]
Favorable impact to operating cash flows		$ 144,295	193,461	167,158	$ 193,666	[1]
New Guidance | Early Adoption
Accounting Policies [Line Items]
Tax expense (benefit)			(2,300)
Favorable impact to operating cash flows			2,300
Positive cumulative effect on retained earnings			900
Reduction of additional paid in capital			$ (900)
Minimum
Accounting Policies [Line Items]
Estimated amortization of intangible assets			2 years
Minimum | Building
Accounting Policies [Line Items]
Estimated useful lives of property, plant and equipment			15 years
Minimum | Machinery and Equipment
Accounting Policies [Line Items]
Estimated useful lives of property, plant and equipment			3 years
Maximum
Accounting Policies [Line Items]
Estimated amortization of intangible assets			20 years
Maximum | Building
Accounting Policies [Line Items]
Estimated useful lives of property, plant and equipment			30 years
Maximum | Machinery and Equipment
Accounting Policies [Line Items]
Estimated useful lives of property, plant and equipment			10 years
3.625% Senior Notes, due April 2023
Accounting Policies [Line Items]
Fair market value of long-term debt and short-term borrowings			$ 403,200	$ 365,300
Debt instrument, interest rate	3.625%		3.625%	3.625%
Debt instruments maturity date	Apr. 30, 2023		Apr. 30, 2023	Apr. 30, 2023
Net Investment Hedges | 3.625% Senior Notes, due April 2023
Accounting Policies [Line Items]
Derivative notional amount | €	€ 330.0
Foreign Exchange Forward
Accounting Policies [Line Items]
Derivative notional amount			$ 406,900	$ 450,900
Fair value of foreign currency forwards contracts, liabilities				4,900
Fair value of foreign currency forwards contracts, assets			13,500
Foreign Exchange Forward | Cash Flow Hedging
Accounting Policies [Line Items]
Derivative notional amount			292,100	308,200
Foreign Exchange Forward Contracts Related to Net Monetary Assets | Cash Flow Hedging
Accounting Policies [Line Items]
Derivative notional amount			$ 70,000	$ 70,000
Sales Revenue Net | Commercial Aerospace Market | Product Concentration Risk
Accounting Policies [Line Items]
Concentration risk, percentage			40.00%
U.S. Government
Accounting Policies [Line Items]
Sales revenue percentage			21.00%	18.00%

[1] (Recast)