Income Taxes - Additional Information (Detail) - USD ($)		3 Months Ended
	Jan. 01, 2017	Mar. 31, 2017	Apr. 01, 2016
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits		$ 19,900,000
Effective income tax rate		1.00%	(2.10%)
Federal statutory income tax rate		35.00%	35.00%
One-time tax benefit from merger, Amount		$ 1,200,000
Unrecognized tax benefits that would impact the provision for income taxes		3,000,000
Interest and possible penalties related to uncertain tax positions		$ 500,000
SWITZERLAND
Income Tax Contingency [Line Items]
Income Tax Holiday, Description		The Company’s operations in Switzerland are subject to a reduced tax rate under the Switzerland tax holiday which requires various thresholds of investment and employment in Switzerland. The Company has met these various thresholds and the Switzerland tax holiday is effective through the end of 2018.
Accounting Standards Update 2016-09 [Member]
Income Tax Contingency [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax	$ 69,000
Accounting Standards Update 2016-09 [Member] | Deferred Tax Asset [Domain]
Income Tax Contingency [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	4,600,000
Accounting Standards Update 2016-09 [Member] | Deferred Tax Asset [Domain]
Income Tax Contingency [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	4,600,000
Accounting Standards Update 2016-09 [Member] | Net Deferred Tax Asset
Income Tax Contingency [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification	0
Accounting Standards Update 2016-16 [Member]
Income Tax Contingency [Line Items]
Cumulative Effect on Retained Earnings, Net of Tax	$ 1,400,000
Deferred Tax Assets, Net		$ 1,100,000
Deferred Tax Assets, Valuation Allowance		2,100,000
Deferred Tax Assets, Tax Deferred Expense		$ 300,000