Fair Value Measurements - Debt Information (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 28, 2013
Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 638,400	$ 619,200
Fair value, measurements, recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	638,400	619,200
Fair value, measurements, recurring [Member] | Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	598,499	598,454
Senior unsecured notes, 5.25% due 2017 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2017	2017
Debt, interest rate	5.25%	5.25%
Senior unsecured notes, 5.25% due 2017 [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2017	2017
Senior unsecured notes, 5.25% due 2017 [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	324,000	318,000
Senior unsecured notes, 5.25% due 2017 [Member] | Fair value, measurements, recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	324,000	318,000
Senior unsecured notes, 5.25% due 2017 [Member] | Fair value, measurements, recurring [Member] | Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	300,000	300,000
Senior unsecured notes, 5.00% due 2022 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2022	2022
Debt, interest rate	5.00%	5.00%
Senior unsecured notes, 5.00% due 2022 [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2022	2022
Senior unsecured notes, 5.00% due 2022 [Member] | Fair value, measurements, recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	314,400	301,200
Senior unsecured notes, 5.00% due 2022 [Member] | Fair value, measurements, recurring [Member] | Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	314,400	301,200
Senior unsecured notes, 5.00% due 2022 [Member] | Fair value, measurements, recurring [Member] | Carrying Value [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 298,499	$ 298,454