CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Sep. 28, 2012	Jun. 29, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jul. 01, 2011	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ (49,316)	$ 47,348	$ 150,547	$ 128,472	$ 124,733	$ 102,177	$ 129,880	$ 131,975	$ 277,051	$ 488,765	$ 596,219
Other comprehensive income (loss):
Foreign currency translation adjustments, net of zero tax									(16,289)	(53,616)	12,883
Unrealized gain (loss) on derivative instruments and other, net of zero tax									(20,755)	(7,575)	23,276
Comprehensive income									$ 240,007	$ 427,574	$ 632,378