Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 27, 2014	Jun. 28, 2013
Income Tax Contingency [Line Items]
Federal statutory income tax rate	35.00%	35.00%
Valuation Allowance, Deferred Tax Asset, Change in Amount	$ 24.5
Unrecognized tax benefits that would impact the provision for income taxes	26.1
Interest and possible penalties related to uncertain tax positions	1.8
Potential decrease in next fiscal year for uncertain tax positions due to expiration of applicable statute of limitations	8.3
US Federal and State Authorities [Member]
Income Tax Contingency [Line Items]
Tax Reserve for Open Tax Year	$ 5.5
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.