Schedule of Prepayments (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 28, 2014	Dec. 31, 2013
Prepaid Expenses [Line Items]
Contract manufacturer prepayments	$ 68,126	$ 115,388
Prepaid maintenance and other services	6,794	6,538
Prepaid taxes	3,413	3,281
Other prepayments	10,399	11,167
Prepayments	$ 88,732	$ 136,374