GUARANTOR CONDENSED CONSOLIDATING FINANCIAL STATEMENTS (Cash Flows) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 27, 2014	Sep. 28, 2013
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	$ 24,927	$ 63,466
Cash flows from investing activities:
Capital expenditures	(83,634)	(129,628)
Acquisition of tradenames	0	(38,007)
Intercompany investing activity	0	0
Issuance of intercompany loan	0
Proceeds from sale of property, plant and equipment	143	0
Repayment of intercompany loan		0
Net cash used in investing activities	(83,491)	(167,635)
Cash flows from financing activities:
Proceeds from senior notes	0	400,000
Intercompany financing activity	0	0
Proceeds from intercompany loan	0	0
Dividends paid	(30,453)	(18,988)
Payments of debt issuance costs	(145)	(6,487)
Payment of contingent consideration	(8,901)	(14,721)
Income tax benefit from stock-based compensation	4,356	10,775
Repurchase of common stock	(62,769)	(454,133)
Withholdings from vesting of restricted stock	(4,472)	(4,991)
Proceeds from exercise of stock options	7,771	12,424
Net cash (used in) provided by financing activities	(94,613)	(76,121)
Effect of exchange rate changes on cash	277	(127)
Net increase (decrease) in cash and cash equivalents	(152,900)	(180,417)
Cash and cash equivalents, beginning of period	286,546	382,236
Cash and cash equivalents, end of period	133,646	201,819
Parent [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Capital expenditures	0	0
Acquisition of tradenames		0
Intercompany investing activity	89,923	465,688
Issuance of intercompany loan	0
Proceeds from sale of property, plant and equipment	0
Repayment of intercompany loan		0
Net cash used in investing activities	89,923	465,688
Cash flows from financing activities:
Proceeds from senior notes		0
Intercompany financing activity	0	0
Proceeds from intercompany loan	0	0
Dividends paid	(30,453)	(18,988)
Payments of debt issuance costs	0	0
Payment of contingent consideration	0	0
Income tax benefit from stock-based compensation	0	0
Repurchase of common stock	(62,769)	(454,133)
Withholdings from vesting of restricted stock	(4,472)	(4,991)
Proceeds from exercise of stock options	7,771	12,424
Net cash (used in) provided by financing activities	(89,923)	(465,688)
Effect of exchange rate changes on cash	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Subsidiary Issuer [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	23,632	39,268
Cash flows from investing activities:
Capital expenditures	(38,659)	(85,963)
Acquisition of tradenames		(38,007)
Intercompany investing activity	14,700	21,075
Issuance of intercompany loan	(35,000)
Proceeds from sale of property, plant and equipment	140
Repayment of intercompany loan		0
Net cash used in investing activities	(58,819)	(102,895)
Cash flows from financing activities:
Proceeds from senior notes		400,000
Intercompany financing activity	(129,182)	(493,097)
Proceeds from intercompany loan	0	0
Dividends paid	0	0
Payments of debt issuance costs	(145)	(6,487)
Payment of contingent consideration	(8,901)	(14,721)
Income tax benefit from stock-based compensation	1,854	6,855
Repurchase of common stock	0	0
Withholdings from vesting of restricted stock	0	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	(136,374)	(107,450)
Effect of exchange rate changes on cash	0	0
Net increase (decrease) in cash and cash equivalents	(171,561)	(171,077)
Cash and cash equivalents, beginning of period	278,260	351,858
Cash and cash equivalents, end of period	106,699	180,781
Guarantor Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	9,458	16,290
Cash flows from investing activities:
Capital expenditures	(37,123)	(34,899)
Acquisition of tradenames		0
Intercompany investing activity	(2,502)	(6,448)
Issuance of intercompany loan	0
Proceeds from sale of property, plant and equipment	0
Repayment of intercompany loan		0
Net cash used in investing activities	(39,625)	(41,347)
Cash flows from financing activities:
Proceeds from senior notes		0
Intercompany financing activity	33,373	21,898
Proceeds from intercompany loan	0	0
Dividends paid	0	0
Payments of debt issuance costs	0	0
Payment of contingent consideration	0	0
Income tax benefit from stock-based compensation	2,502	3,920
Repurchase of common stock	0	0
Withholdings from vesting of restricted stock	0	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	35,875	25,818
Effect of exchange rate changes on cash	0	0
Net increase (decrease) in cash and cash equivalents	5,708	761
Cash and cash equivalents, beginning of period	0	6,940
Cash and cash equivalents, end of period	5,708	7,701
Non-Guarantors Subsidiaries [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	(8,163)	7,908
Cash flows from investing activities:
Capital expenditures	(7,852)	(8,766)
Acquisition of tradenames		0
Intercompany investing activity	(8,901)	(14,722)
Issuance of intercompany loan	0
Proceeds from sale of property, plant and equipment	3
Repayment of intercompany loan		0
Net cash used in investing activities	(16,750)	(23,488)
Cash flows from financing activities:
Proceeds from senior notes		0
Intercompany financing activity	2,589	5,606
Proceeds from intercompany loan	35,000	0
Dividends paid	0	0
Payments of debt issuance costs	0	0
Payment of contingent consideration	0	0
Income tax benefit from stock-based compensation	0	0
Repurchase of common stock	0	0
Withholdings from vesting of restricted stock	0	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	37,589	5,606
Effect of exchange rate changes on cash	277	(127)
Net increase (decrease) in cash and cash equivalents	12,953	(10,101)
Cash and cash equivalents, beginning of period	8,286	23,438
Cash and cash equivalents, end of period	21,239	13,337
Consolidating Adjustments [Member]
Condensed Cash Flow Statements, Captions [Line Items]
Net cash provided by operating activities	0	0
Cash flows from investing activities:
Capital expenditures	0	0
Acquisition of tradenames		0
Intercompany investing activity	(93,220)	(465,593)
Issuance of intercompany loan	35,000
Proceeds from sale of property, plant and equipment	0
Repayment of intercompany loan		0
Net cash used in investing activities	(58,220)	(465,593)
Cash flows from financing activities:
Proceeds from senior notes		0
Intercompany financing activity	93,220	465,593
Proceeds from intercompany loan	(35,000)	0
Dividends paid	0	0
Payments of debt issuance costs	0	0
Payment of contingent consideration	0	0
Income tax benefit from stock-based compensation	0	0
Repurchase of common stock	0	0
Withholdings from vesting of restricted stock	0	0
Proceeds from exercise of stock options	0	0
Net cash (used in) provided by financing activities	58,220	465,593
Effect of exchange rate changes on cash	0	0
Net increase (decrease) in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	$ 0	$ 0