GOODWILL (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013
Goodwill
Goodwill, Purchase Accounting Adjustments	$ 27,963
Changes in the carrying value of goodwill
Balance at the beginning of the period	1,717,792
Effect of exchange rate changes and other	743
Balance at the end of the period	1,724,067
Aerostructures
Goodwill
Goodwill, Acquired During Period	5,532
Changes in the carrying value of goodwill
Balance at the beginning of the period	1,316,450
Effect of exchange rate changes and other	475
Balance at the end of the period	1,322,457
Aerospace Systems
Goodwill
Goodwill, Acquired During Period	0
Changes in the carrying value of goodwill
Balance at the beginning of the period	345,356
Effect of exchange rate changes and other	268
Balance at the end of the period	345,624
Aftermarket Services
Goodwill
Goodwill, Acquired During Period	0
Changes in the carrying value of goodwill
Balance at the beginning of the period	55,986
Effect of exchange rate changes and other	0
Balance at the end of the period	$ 55,986