Derivative Instruments - Outstanding Forward Contracts Table (Detail) ₩ in Thousands, ¥ in Thousands, £ in Thousands, TWD in Thousands, SGD in Thousands, HUF in Thousands, $ in Thousands	Oct. 01, 2017 HUF	Oct. 01, 2017 GBP (£)	Oct. 01, 2017 SGD	Oct. 01, 2017 JPY (¥)	Oct. 01, 2017 KRW (₩)	Oct. 01, 2017 TWD	Oct. 01, 2017 USD ($)	Dec. 31, 2016 HUF	Dec. 31, 2016 GBP (£)	Dec. 31, 2016 SGD	Dec. 31, 2016 JPY (¥)	Dec. 31, 2016 KRW (₩)	Dec. 31, 2016 TWD	Dec. 31, 2016 USD ($)
Designated as Hedging Instrument | Japanese Yen
Derivative [Line Items]
Outstanding forward contracts				¥ 0			$ 0				¥ 342,500			$ 2,960
Designated as Hedging Instrument | Hungarian Forint
Derivative [Line Items]
Outstanding forward contracts	HUF 0						0	HUF 39,000						130
Designated as Hedging Instrument | Singapore Dollar
Derivative [Line Items]
Outstanding forward contracts			SGD 0				0			SGD 150				97
Not Designated as Hedging Instrument | Japanese Yen
Derivative [Line Items]
Outstanding forward contracts				¥ 500,000			4,440				¥ 650,000			5,554
Not Designated as Hedging Instrument | Hungarian Forint
Derivative [Line Items]
Outstanding forward contracts	HUF 530,000						2,014	HUF 425,000						1,448
Not Designated as Hedging Instrument | Singapore Dollar
Derivative [Line Items]
Outstanding forward contracts			SGD 0				0			SGD 1,350				929
Not Designated as Hedging Instrument | British Pound
Derivative [Line Items]
Outstanding forward contracts		£ 1,720					2,294		£ 1,350					1,658
Not Designated as Hedging Instrument | Korean Won
Derivative [Line Items]
Outstanding forward contracts					₩ 1,325,000		1,154					₩ 1,750,000		1,450
Not Designated as Hedging Instrument | Taiwanese Dollar
Derivative [Line Items]
Outstanding forward contracts						TWD 34,640	$ 1,139						TWD 26,000	$ 802