Employee Benefit Plans (Additional Information) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Employee Benefits Disclosure [Line Items]
Defined contribution plan, expenses	$ 26,839	$ 22,159	$ 20,647
Defined Contribution Retirement Plan
Employee Benefits Disclosure [Line Items]
Defined contribution plan, employees contribute percentage	50.00%
Employee Defined Contribution Plans
Employee Benefits Disclosure [Line Items]
Defined contribution plan, employees contribute percentage	7.50%

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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