COMMITMENTS AND CONTINGENCIES (Details) (USD $)	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Operating Lease
2015	$ 137,274,000
2016	106,310,000
2017	84,636,000
2018	66,466,000
2019	54,422,000
Thereafter	106,013,000
Total minimum lease payments	555,121,000
Total rent expense	150,100,000	138,800,000	160,500,000
Commitments
Charges related to contractual obligation to reimburse the customer	57,512,000	(65,190,000)	(19,935,000)
Supply commitment
Commitments
Charges related to contractual obligation to reimburse the customer	55,000,000
Maximum commitment under initial arrangement	$ 88,000,000