Inventory (Details 4) (USD $) In Millions, unless otherwise specified	Sep. 26, 2013	Dec. 31, 2012
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	$ 505.2	$ 524.6
B747 [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production		7.2
Inventory Type Five [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	167.4	189.5
G650 [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	198.5	208.4
G280 [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	5.2	5.5
Airbus Three Hundred Fifty XWB [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	77.0	56.8
Inventory Type Eight [Member]
Capitalized Preproduction Costs Included In Inventory [Abstract]
Total capitalized pre-production	$ 45.1	$ 51.4