Fair Value (Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 29, 2014	Dec. 28, 2013	Jan. 04, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners			25.00%
Fair Value Inputs, Discount Rate	18.00%
Available-for-sale Securities, Fair Value Disclosure	$ 11,446	$ 11,158
Fair value of life policies	19,747	19,534
Total assets measured at fair value	31,193	30,692
Redeemable Noncontrolling Interest, Equity, Fair Value	21,579	20,581
Total liabilities measured at fair value	21,579	20,581
Fair Value Inputs, Long-term Pre-tax Operating Margin, Percent	32.00%
Forward Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Hedge gains recorded	575
Outstanding forward contract, fair value	0
Quoted Prices in Active Markets for Identical Assets Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	0
Fair value of life policies	0	0
Total assets measured at fair value	0	0
Redeemable Noncontrolling Interest, Equity, Fair Value	0	0
Total liabilities measured at fair value	0	0
Significant Other Observable Inputs Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	11,446	11,158
Fair value of life policies	19,747	19,534
Total assets measured at fair value	31,193	30,692
Redeemable Noncontrolling Interest, Equity, Fair Value	0	0
Total liabilities measured at fair value	0	0
Significant Unobservable Inputs Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Fair Value Disclosure	0	0
Fair value of life policies	0	0
Total assets measured at fair value	0	0
Redeemable Noncontrolling Interest, Equity, Fair Value	21,579	20,581
Total liabilities measured at fair value	$ 21,579	$ 20,581