Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Oct. 02, 2015	Sep. 26, 2014	Jun. 27, 2014	Oct. 02, 2015	Sep. 26, 2014
Income Tax Contingency [Line Items]
Unrecognized Tax Benefits	$ 15.9			$ 15.9
Effective income tax rate	20.90%	128.70%		8.90%	(111.30%)
Federal statutory income tax rate				35.00%	35.00%
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount		$ 4.2	$ 24.5		$ 28.7
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations		$ 8.5
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	$ 1.8			$ 1.8
Unrecognized tax benefits that would impact the provision for income taxes	4.3			4.3
Interest and possible penalties related to uncertain tax positions	0.6			0.6
Potential decrease over the next twelve months for uncertain tax positions due to expiration of applicable statute of limitations	1.4			$ 1.4
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.
Tax Years 2007 through 2011 [Member] | California Board of Equalization [Member]
Income Tax Contingency [Line Items]
Income Tax Examination, Estimate of Possible Loss	1.6
Prepaid Expenses and Other Current Assets [Member]
Income Tax Contingency [Line Items]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	1.2			$ 1.2
Operating Expense [Member]
Income Tax Contingency [Line Items]
Income Tax Examination, Liability (Refund) Adjustment from Settlement with Taxing Authority	$ 0.6			$ 0.6