Fair Value Measurements (Details) (USD $)	Dec. 31, 2011	Jul. 02, 2011	Jan. 01, 2011
Fair value of total debt	$ 3,330,700,000	$ 2,919,400,000	$ 2,857,700,000
Carrying value of total debt	2,857,800,000	2,668,500,000	2,661,400,000
Recurring Fair Value Measurements [Member]
Fair value of cash equivalents	136,814,000	304,815,000	107,251,000
Fair value of restricted cash	132,031,000	110,516,000	134,579,000
Total assets at fair value	279,516,000	428,813,000	255,096,000
Recurring Fair Value Measurements [Member] | Level 1 [Member]
Fair value of cash equivalents	0	141,350,000	0
Fair value of restricted cash	132,031,000	110,516,000	134,579,000
Total assets at fair value	132,031,000	251,866,000	134,579,000
Recurring Fair Value Measurements [Member] | Level 2 [Member]
Fair value of cash equivalents	136,814,000	163,465,000	107,251,000
Fair value of restricted cash	0	0	0
Total assets at fair value	147,485,000	176,947,000	120,517,000
Recurring Fair Value Measurements [Member] | Level 3 [Member]
Fair value of cash equivalents	0	0	0
Fair value of restricted cash	0	0	0
Total assets at fair value	0	0	0
Interest Rate Swap Agreements [Member] | Recurring Fair Value Measurements [Member]
Fair value of interest rate swap agreements	10,671,000	13,482,000	13,266,000
Interest Rate Swap Agreements [Member] | Recurring Fair Value Measurements [Member] | Level 1 [Member]
Fair value of interest rate swap agreements	0	0	0
Interest Rate Swap Agreements [Member] | Recurring Fair Value Measurements [Member] | Level 2 [Member]
Fair value of interest rate swap agreements	10,671,000	13,482,000	13,266,000
Interest Rate Swap Agreements [Member] | Recurring Fair Value Measurements [Member] | Level 3 [Member]
Fair value of interest rate swap agreements	$ 0	$ 0	$ 0