CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 25, 2015	Sep. 26, 2014
Statement of Cash Flows [Abstract]
Net income	$ 138,649	$ 334,484
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization and impairment charges	110,776	129,448
Stock-based compensation expense	11,886	13,081
Non-cash interest expense	10,099	6,990
Deferred income tax provision (benefit)	15	(151,788)
Changes in operating assets and liabilities:
Trade receivables, net	(38,972)	(38,666)
Inventories, net	(20,967)	5,200
Accounts payable	3,710	(82,874)
Changes in other operating assets and liabilities	(63,058)	(14,353)
Net cash provided by operating activities	152,138	201,522
Cash flows from investing activities:
Purchases of fixed assets, net	(32,729)	(59,050)
Acquisitions, net of cash acquired	(184,500)	(948,800)
Net cash used in investing activities	(217,229)	(1,007,850)
Cash flows from financing activities:
Borrowings under term credit facility	750,000	150,000
Payments under term credit facility	(1,223,497)	0
Proceeds from borrowings on revolving credit facilities and other	1,328,332	1,093,151
Repayments of borrowings on revolving credit facilities and other	(835,232)	(1,023,565)
Proceeds from issuance of common stock, net	3,116	612,982
Preferred stock conversion inducement payment	0	(19,565)
Payments of dividend on preferred stock	0	(3,853)
Other	(9,796)	(22,250)
Net cash provided by financing activities	12,923	786,900
Effect of foreign exchange rates on Cash and cash equivalents	(32,033)	(5,253)
Decrease in Cash and cash equivalents	(84,201)	(24,681)
Cash and cash equivalents, beginning of period	305,448	311,301
Cash and cash equivalents, end of period	$ 221,247	$ 286,620