Related Party Transactions (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended	9 Months Ended	1 Months Ended	9 Months Ended
	Jan. 31, 2013 Geo Eye Inc Series A Convertible Preferred Stock	Mar. 31, 2013 Morgan Stanley Geo Eye Inc	Sep. 30, 2013 Cerberus Parties Cerberus Agreement	Jan. 31, 2013 Cerberus Parties Cerberus Agreement Geo Eye Inc director	Sep. 30, 2013 Cerberus Parties Registration rights agreement	Sep. 30, 2013 Joint venture in China	Sep. 30, 2012 Joint venture in China	Dec. 31, 2012 Joint venture in China	Jun. 30, 2012 Joint venture in China	Jun. 30, 2012 Joint venture in China Maximum
Related Party Transactions
Payments for fees and expenses associated with merger and financing		$ 26.5
Maximum percentage of beneficial ownership by related party			19.90%
Preferred stock, shares issued	80,000			80,000
Number of directors appointed by related party				1
Period registration statement must be kept effective					3 years
Investment for ownership interest in a joint venture									0.3
Ownership interest in a joint venture in China (as a percent)										20.00%
Purchase of products and services by joint venture						7.6	5.7
Amounts owed to the Company by joint venture						$ 5.1		$ 7.6