Condensed Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
CURRENT ASSETS:
Cash and cash equivalents	$ 256.0	$ 246.2
Restricted cash	16.6	3.8
Accounts receivable, net of allowance for doubtful accounts of $3.2 and $2.9, respectively	90.3	67.0
Prepaid and current assets	27.6	18.6
Deferred taxes	70.7	43.9
Total current assets	461.2	379.5
Property and equipment, net of accumulated depreciation of $831.2 and $676.2, respectively	2,162.2	1,115.2
Goodwill	453.1	8.7
Intangible assets, net of accumulated amortization of $6.1 and $0, respectively	38.5
Aerial image library, net of accumulated amortization of $39.3 and $33.4, respectively	11.0	16.4
Long-term restricted cash	6.7	8.3
Long-term deferred contract costs	46.8	37.3
Other assets	41.0	12.1
Total assets	3,220.5	1,577.5
CURRENT LIABILITIES:
Accounts payable	16.3	10.2
Current portion of long-term debt	5.5	5.0
Other accrued liabilities	74.3	56.3
Current portion of deferred revenue	101.2	42.9
Total current liabilities	197.3	114.4
Deferred revenue	375.9	386.8
Long-term debt, net of discount	1,138.4	478.6
Long-term deferred tax liability, net	142.4	55.6
Other liabilities	2.3	2.7
Total liabilities	1,856.3	1,038.1
COMMITMENTS AND CONTINGENCIES (Note 15)
STOCKHOLDERS' EQUITY:
Common stock; $0.001 par value; 250.0 shares authorized; 75.4 shares issued and 75.2 shares outstanding at September 30, 2013; and 47.2 shares issued and 47.1 outstanding at December 31, 2012	0.2	0.2
Treasury stock, at cost; 0.2 shares at September 30, 2013 and 0.1 shares at December 31, 2012	(3.2)	(2.0)
Additional paid-in capital	1,453.2	543.8
Accumulated deficit	(86.0)	(2.6)
Total stockholders' equity	1,364.2	539.4
Total liabilities and stockholders' equity	3,220.5	1,577.5
Preferred stock
STOCKHOLDERS' EQUITY:
Preferred stock value
Series A Convertible Preferred Stock
STOCKHOLDERS' EQUITY:
Preferred stock value