Commitments and Contingencies (Details) (USD $) In Millions	Jul. 01, 2011	Mar. 09, 2010	Mar. 31, 2006	Jul. 01, 2004
Commitments and Contingencies (Textuals)
Kalitta Air damages, minimum	$ 430
Kalitta Air damages, maximum	900
Pre-judgment interest in Kalitta Air damages, minimum	200
Pre-judgment interest in Kalitta Air damages, maximum	240
Escrow fund established in connection with the acquisition of CyTerra			15
Total damages sought				315
Punitive damages sought				150
Compensatory damages		$ 6.7