Guarantees - Details of Letters of Credit Outstanding (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 30, 2014
Guarantor Obligations [Line Items]
Guarantee Amount	$ 1,747
Warranty Bonds
Guarantor Obligations [Line Items]
Guarantee Amount	976
Guarantee due date	Various from April 2014 to June 2016
Performance Bonds
Guarantor Obligations [Line Items]
Guarantee Amount	398
Guarantee due date	Various from June 2014 to July 2016
Bank Guarantees
Guarantor Obligations [Line Items]
Guarantee Amount	$ 373
Guarantee due date	Various from April 2014 to July 2014