INCOME TAXES (Details) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 30, 2017	Dec. 30, 2017	Dec. 31, 2016	Dec. 26, 2015
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries
United States		$ 152,372,000	$ 136,682,000	$ 99,175,000
Foreign		76,092,000	83,772,000	(6,168,000)
Earnings before income taxes and equity in earnings of nonconsolidated subsidiaries		228,464,000	220,454,000	93,007,000
2017 tax act, estimated income tax expense		41,935
2017 tax act, estimated income tax expense from decrease related to deferred taxes	$ 20,372,000	20,372,000
Unremitted foreign earnings	400,000,000	400,000,000
Current:
Federal		49,324,000	41,539,000	23,130,000
State		4,415,000	5,467,000	4,431,000
Foreign		12,880,000	19,123,000	15,077,000
Total		66,619,000	66,129,000	42,638,000
Non-current:		(229,000)	(381,000)	(69,000)
Deferred:
Federal		(9,626,000)	8,504,000	3,382,000
State		(385,000)	202,000	(333,000)
Foreign	$ 11,673,000	49,766,000	(32,391,000)	1,809,000
Total		39,755,000	(23,685,000)	4,858,000
Total income tax expense (benefit)		$ 106,145,000	$ 42,063,000	$ 47,427,000
Reconciliations of statutory federal income tax rate and effective tax rate
Statutory federal income tax rate (as a percent)	25.00%	35.00%	35.00%	35.00%
State income taxes, net of federal benefit (as a percent)		1.40%	1.70%	3.10%
Carryforwards, credits and changes in valuation allowances (as a percent)		(1.40%)	2.90%	(0.10%)
Foreign tax rate differences (as a percent)		(4.10%)	(4.80%)	(5.70%)
Changes in unrecognized tax benefits (as a percent)		(0.10%)	(0.20%)	(0.10%)
Domestic production activities deduction (as a percent)		(2.10%)	(2.00%)	(3.80%)
Goodwill impairment (as a percent)		0.00%	0.00%	11.30%
UK tax rate reduction (as a percent)		0.00%	1.00%	7.70%
Reversal of contingent liability (as a percent)		(0.00%)	(2.20%)	(0.00%)
UK defined benefit pension plan (as a percent)		(0.00%)	(14.60%)	(0.00%)
Effects of 2017 Tax Act (as a percent)		18.40%	0.00%	0.00%
Other (as a percent)		(0.60%)	2.30%	3.60%
Total (as a percent)		46.50%	19.10%	51.00%
Deferred income tax assets:
Accrued expenses and allowances	$ 13,373,000	$ 13,373,000	$ 16,549,000
Accrued insurance	818,000	818,000	1,071,000
Tax credits and loss carryforwards	54,521,000	54,521,000	104,439,000
Defined benefit pension liability	47,459,000	47,459,000	80,425,000
Inventory allowances	3,433,000	3,433,000	1,385,000
Accrued warranty	4,602,000	4,602,000	9,436,000
Deferred compensation	29,421,000	29,421,000	37,988,000
Gross deferred income tax assets	153,627,000	153,627,000	251,293,000
Valuation allowance	(27,864,000)	(27,864,000)	(81,923,000)
Net deferred income tax assets	125,763,000	125,763,000	169,370,000
Deferred income tax liabilities:
Work-in-process	1,805,000	1,805,000	2,161,000
Property, plant and equipment	26,826,000	26,826,000	37,961,000
Intangible assets	39,613,000	39,613,000	50,405,000
Withholding taxes	11,673,000	11,673,000	0
Other liabilities	1,819,000	1,819,000	6,164,000
Total deferred income tax liabilities	81,736,000	81,736,000	96,691,000
Net deferred income tax asset/(liability)	44,027,000	44,027,000	72,679,000
Deferred income tax assets (liabilities), Balance Sheet Caption
Other assets	78,933,000	78,933,000	108,482,000
Deferred income taxes	(34,906,000)	(34,906,000)	(35,803,000)
Net deferred income tax asset/(liability)	44,027,000	44,027,000	72,679,000
Remeasurement of income tax benefit related to UK benefit plans		32,450,000
Provision for valuation allowance		9,888,000
Reversal of non-current contingent liability		16,591,000
Tax credit and net operating loss carryforwards related to the defined benefit pension obligation	54,521,000	54,521,000	104,439,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Gross Unrecognized Tax Benefits beginning of year		3,400,000	3,876,000
Gross decreases tax positions in prior period		5,000	99,000
Gross increases current period tax positions		1,044,000	695,000
Settlements with taxing authorities		(65,000)	(105,000)
Lapse of statute of limitations		(1,188,000)	(1,165,000)
Gross Unrecognized Tax Benefits end of year	3,196,000	3,196,000	3,400,000	$ 3,876,000
Uncertain tax positions for which reversal is reasonably possible during the next 12 months	777,000	777,000
Reduction of income tax expense, due to expiration of statutes of limitation		772,000	810,000
Accrued interest and penalties relating to unrecognized tax benefits	187,000	187,000	192,000
Unrecognized tax benefits that, if recognized, would affect effective tax rate	3,059,000	3,059,000	$ 3,328,000
Federal
Income Tax Contingency [Line Items]
2017 tax act, provisional transition tax obligation	9,890,000	9,890,000
Foreign
Income Tax Contingency [Line Items]
2017 tax act, provisional transition tax obligation	10,373,000	10,373,000
State
Income Tax Contingency [Line Items]
2017 tax act, provisional transition tax obligation	$ 1,300,000	1,300,000
U.K. | Capital Loss Carryforward
Deferred income tax assets (liabilities), Balance Sheet Caption
Decrease in tax capital loss carryforwards		$ 60,691,000