Advance Payments and Deferred Revenue/Credits (Details) (USD $)	9 Months Ended
	Sep. 26, 2013	Dec. 31, 2012
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 937,100,000	$ 953,500,000
Inventory Type One [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	19,300,000	20,500,000
Inventory Type Five [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	613,600,000	629,800,000
Airbus Three Hundred Fifty XWB [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	244,900,000	250,200,000
Airbus Advance Payments Made Under Agreement	250,000,000
Amortization Of Advances Per Ship Set	1,250,000
Inventory Type Six [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	5,700,000	6,700,000
Inventory Type Seven [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	23,500,000	28,200,000
Other Inventory [Member]
Advance payments and deferred revenue/credits summarized
Advance Payments And Deferred Revenue Credits	$ 30,100,000	$ 18,100,000