Revolving Credit Facility & Bank Borrowings (Revolving Credit Facility) (Details) ¥ in Millions, $ in Millions				12 Months Ended
	Feb. 18, 2016 USD ($)	Dec. 24, 2015 USD ($)	Sep. 01, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	Dec. 31, 2015 CNY (¥)	Dec. 31, 2015 USD ($)	Sep. 30, 2015 USD ($)	Apr. 01, 2015 USD ($)	Dec. 26, 2013 USD ($)
Line of Credit Facility [Line Items]
Amount allowed for repurchase under Amendment											$ 350.0
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Minimum fixed charge coverage ratio							1.00%	1.00%	0.95%
Expected Minimum Fixed Charge Coverage Ratio For First Half Of Next Year				1.15%
Expected Minimum Fixed Charge Coverage Ratio After First Half Of Next Year							1.25%	1.25%
Leverage ratio							4.00%	4.00%
Expected Leverage Ratio After One Year Period							3.75%	3.75%
Global Cash Requirement Under Credit Facility								$ 50.0		$ 100.0
Permitted amount of bad debt write-downs added back to EBITDAR				$ 18.9
Other EBITDAR		$ 85.0		100.0
Revolving credit facility					$ 0.0			0.0
Outstanding letters of credit					1.8			1.3
Capitalized fees and cost incurred				$ 0.2	$ 0.1	$ 0.1
Increase to cash and non-cash charges			$ 85.0
Maximum amount of cash charges			$ 65.0
Amount allowed for repurchase under Amendment									$ 40.0
Asia Pacific Revolving Credit Facility [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate				2.10%
Line of Credit Facility, Current Borrowing Capacity | ¥							¥ 60.0
Revolving credit facility								$ 0.0
Period of lending rate benchmark				1 year
Mark-up percentage				10.00%
Asia Pacific Revolving Credit Facility [Member] | Loan Facilities [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity | ¥							40.0
Asia Pacific Revolving Credit Facility [Member] | Import Facilities [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Line of Credit Facility, Current Borrowing Capacity | ¥							¥ 60.0
Subsequent Event [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Minimum fixed charge coverage ratio	1.00%
Minimum fixed charge coverage ratio, thereafter	1.10%
Leverage ratio	2.50%
Expected leverage ratio, thereafter	2.00%
Line of Credit Facility, Current Borrowing Capacity	$ 75.0
Amount allowed for repurchase under Amendment	50.0
Maximum capital expenditures and commitments	$ 50.0
London Interbank Offered Rate (LIBOR) [Member] | Asia Pacific Revolving Credit Facility [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility, interest rate							2.10%	2.10%
Certain Conditions [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Minimum fixed charge coverage ratio									1.00%
Maximum [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
Maximum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Minimum [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.50%
Minimum [Member] | London Interbank Offered Rate (LIBOR) [Member] | Subsequent Event [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.50%