Debt (Senior Notes Due 2022) (Details) (USD $)		9 Months Ended		9 Months Ended	3 Months Ended				9 Months Ended
	Jan. 02, 2014 Senior Notes [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member]	Jan. 02, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] Prior to January 15, 2017 [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] 2017 [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] 2018 [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] 2019 [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] 2020 and thereafter [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] Prior to January 15, 2017 with Additional Restrictions [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] Maximum [Member]	Sep. 27, 2014 Senior Notes [Member] Senior Notes 5.375% Due 2022 [Member] Minimum [Member]	Dec. 17, 2010 Senior Notes [Member] Senior Notes 8.5% due 2018 [Member]	Dec. 17, 2010 Unsecured Debt [Member] Senior Notes 8.5% due 2018 [Member]
Debt Instrument [Line Items]
Face amount of debt instrument	$ 500,000,000		$ 500,000,000									$ 250,000,000
Stated interest rate			5.375%									8.50%	8.50%
Guarantee indebtedness amount related to restricted subsidiary			$ 50,000,000
Redemption price, percentage				100.00%	104.031%	102.688%	101.344%	100.00%	105.375%
Redemption price, percentage of principal amount redeemed										40.00%	50.00%
Redemption period		90								60 days	30 days
Default event, percent of principal held in order to declare notes due and payable immediately			25.00%