Fair Value Measurements - Debt Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jul. 02, 2016	Jan. 02, 2016
Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 1,118,579	$ 1,116,421
Fair value, measurements, recurring | Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	1,091,417	1,090,673
Fair value, measurements, recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 1,118,579	$ 1,116,421
Senior unsecured notes, 5.25% due 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, interest rate	5.25%	5.25%
Senior unsecured notes, 5.25% due 2017 | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2017
Senior unsecured notes, 5.25% due 2017 | Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 311,289	$ 313,039
Senior unsecured notes, 5.25% due 2017 | Fair value, measurements, recurring | Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	299,514	299,313
Senior unsecured notes, 5.25% due 2017 | Fair value, measurements, recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 311,289	$ 313,039
Senior unsecured notes, 5.00% due 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, interest rate	5.00%	5.00%
Senior unsecured notes, 5.00% due 2022 | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2022
Senior unsecured notes, 5.00% due 2022 | Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 307,090	$ 301,867
Senior unsecured notes, 5.00% due 2022 | Fair value, measurements, recurring | Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	297,160	296,928
Senior unsecured notes, 5.00% due 2022 | Fair value, measurements, recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 307,090	$ 301,867
Senior unsecured notes, 4.95% due 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, interest rate	4.95%	4.95%
Senior unsecured notes, 4.95% due 2024 | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt, maturity date	2024
Senior unsecured notes, 4.95% due 2024 | Fair value, measurements, recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 500,200	$ 501,515
Senior unsecured notes, 4.95% due 2024 | Fair value, measurements, recurring | Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	494,743	494,432
Senior unsecured notes, 4.95% due 2024 | Fair value, measurements, recurring | Level 2
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, fair value disclosure	$ 500,200	$ 501,515