Goodwill and Other Intangible Assets, Net (Amortization Expense) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jan. 01, 2012
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 14,600,000	$ 18,100,000	$ 18,000,000
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2014	14,525,000
2015	14,525,000
2016	14,525,000
2017	14,525,000
2018	11,825,000
Thereafter	49,475,000
Finite-lived intangible assets	119,400,000
Facility Management Contracts
Finite-Lived Intangible Assets [Line Items]
Weighted average period before renewal or extension	1 year 3 months 20 days
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Finite-lived intangible assets	$ 106,958,000	$ 118,772,000