Guarantor Financial Information Condensed Consolidating Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 29, 2018	Oct. 05, 2018	May 31, 2018	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016
Assets:
Cash and cash equivalents	$ 107,262			$ 106,774
Restricted cash	107			142
Accounts receivable	385,737			391,847
Inventories	341,028			358,183
Income taxes refundable	6,462			4,509
Prepaid expenses	35,247			38,326
Other current assets	22,099			56,664
Total current assets	897,942			956,445
Investment in subsidiaries	0			0
Property, plant and equipment, net	1,687,858			1,645,822
Intangible assets, net	595,862			676,500
Goodwill	1,229,159	$ 8,000	$ 19,600	1,301,093	$ 1,225,893
Investment in unconsolidated subsidiaries	410,177			302,038
Other assets	53,375			62,284
Non-current deferred tax asset	14,981			14,043
Total assets	4,889,354			4,958,225
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	7,492			16,143
Accounts payable, principally trade	219,479			217,417
Income taxes payable	4,043			12,300
Accrued expenses	309,484			313,623
Total current liabilities	540,498			559,483
Long-term debt, net of current portion	1,666,940			1,698,050
Other noncurrent liabilities	115,032			106,287
Deferred income taxes	231,063			266,708
Total liabilities	2,553,533			2,630,528
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,335,821			2,327,697	$ 2,076,222	$ 1,974,610
Total liabilities and stockholders' equity	4,889,354			4,958,225
Parent Company [Member]
Assets:
Cash and cash equivalents	995			1,724
Restricted cash	103			103
Accounts receivable	56,113			37,453
Inventories	23,752			18,049
Income taxes refundable	2,851			1,591
Prepaid expenses	12,890			10,787
Other current assets	2,680			7,117
Total current assets	99,384			76,824
Investment in subsidiaries	4,880,193			4,734,618
Property, plant and equipment, net	375,824			278,121
Intangible assets, net	50,132			17,034
Goodwill	49,506			21,860
Investment in unconsolidated subsidiaries	13,969			4,341
Other assets	39,395			42,078
Non-current deferred tax asset	0			0
Total assets	5,508,403			5,174,876
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	3,558			115
Accounts payable, principally trade	783,406			555,894
Income taxes payable	(10)			32
Accrued expenses	107,572			105,625
Total current liabilities	894,526			661,666
Long-term debt, net of current portion	1,019,130			1,030,736
Other noncurrent liabilities	78,589			69,711
Deferred income taxes	95,710			106,543
Total liabilities	2,087,955			1,868,656
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,420,448			3,306,220
Total liabilities and stockholders' equity	5,508,403			5,174,876
Guarantors [Member]
Assets:
Cash and cash equivalents	32			2,993
Restricted cash	0			0
Accounts receivable	619,628			465,653
Inventories	83,261			84,805
Income taxes refundable	0			0
Prepaid expenses	2,936			3,141
Other current assets	(1,418)			923
Total current assets	704,439			557,515
Investment in subsidiaries	1,366,126			1,167,246
Property, plant and equipment, net	503,130			501,842
Intangible assets, net	200,936			258,970
Goodwill	490,748			551,837
Investment in unconsolidated subsidiaries	0			0
Other assets	138			314,166
Non-current deferred tax asset	0			0
Total assets	3,265,517			3,351,576
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	5			0
Accounts payable, principally trade	24,388			37,466
Income taxes payable	0			373
Accrued expenses	33,387			30,542
Total current liabilities	57,780			68,381
Long-term debt, net of current portion	18			0
Other noncurrent liabilities	0			0
Deferred income taxes	0			0
Total liabilities	57,798			68,381
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,207,719			3,283,195
Total liabilities and stockholders' equity	3,265,517			3,351,576
Non-guarantors [Member]
Assets:
Cash and cash equivalents	106,235			102,057
Restricted cash	4			39
Accounts receivable	461,005			436,874
Inventories	234,015			255,329
Income taxes refundable	3,611			2,918
Prepaid expenses	19,421			24,398
Other current assets	20,837			48,624
Total current assets	845,128			870,239
Investment in subsidiaries	844,044			844,044
Property, plant and equipment, net	808,904			865,859
Intangible assets, net	344,794			400,496
Goodwill	688,905			727,396
Investment in unconsolidated subsidiaries	396,208			297,697
Other assets	13,842			193,923
Non-current deferred tax asset	14,981			14,043
Total assets	3,956,806			4,213,697
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	3,929			16,028
Accounts payable, principally trade	162,678			169,033
Income taxes payable	4,053			11,895
Accrued expenses	168,541			180,613
Total current liabilities	339,201			377,569
Long-term debt, net of current portion	647,792			1,155,197
Other noncurrent liabilities	36,443			36,576
Deferred income taxes	135,353			160,165
Total liabilities	1,158,789			1,729,507
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	2,798,017			2,484,190
Total liabilities and stockholders' equity	3,956,806			4,213,697
Eliminations [Member]
Assets:
Cash and cash equivalents	0			0
Restricted cash	0			0
Accounts receivable	(751,009)			(548,133)
Inventories	0			0
Income taxes refundable	0			0
Prepaid expenses	0			0
Other current assets	0			0
Total current assets	(751,009)			(548,133)
Investment in subsidiaries	(7,090,363)			(6,745,908)
Property, plant and equipment, net	0			0
Intangible assets, net	0			0
Goodwill	0			0
Investment in unconsolidated subsidiaries	0			0
Other assets	0			(487,883)
Non-current deferred tax asset	0			0
Total assets	(7,841,372)			(7,781,924)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Current portion of long-term debt	0			0
Accounts payable, principally trade	(750,993)			(544,976)
Income taxes payable	0			0
Accrued expenses	(16)			(3,157)
Total current liabilities	(751,009)			(548,133)
Long-term debt, net of current portion	0			(487,883)
Other noncurrent liabilities	0			0
Deferred income taxes	0			0
Total liabilities	(751,009)			(1,036,016)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(7,090,363)			(6,745,908)
Total liabilities and stockholders' equity	$ (7,841,372)			$ (7,781,924)