GOODWILL AND INTANGIBLE ASSETS, NET - Estimated Amortization Expense (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization expense, Year 1	$ 82,860
Amortization expense, Year 2	76,049
Amortization expense, Year 3	70,649
Amortization expense, Year 4	68,170
Amortization expense, Year 5	46,634
Thereafter	$ 12,811