RESTRUCTURING ACTIVITIES - Pre-tax Restructuring Expenses Recognized (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 26, 2015	Sep. 26, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 8,800	$ 23,844
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,810	13,270
Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,990	10,574
Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,143	5,129
Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,937	4,151
Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,166	1,397
Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	238	508
Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,501	6,744
Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,815	5,915
EIP
Restructuring Cost and Reserve [Line Items]
Restructuring charges	4,568	9,835
EIP | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	3,083	4,920
EIP | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,485	4,915
EIP | Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,819	2,814
EIP | Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,485	2,835
EIP | Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	354	399
EIP | Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
EIP | Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	910	1,707
EIP | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	2,080
Utility
Restructuring Cost and Reserve [Line Items]
Restructuring charges	1,159	3,614
Utility | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	921	2,971
Utility | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	238	643
Utility | Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	204	1,813
Utility | Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	405
Utility | Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	674	820
Utility | Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	238	238
Utility | Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	43	338
Utility | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Coatings
Restructuring Cost and Reserve [Line Items]
Restructuring charges	806	5,576
Coatings | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	806	5,306
Coatings | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	270
Coatings | Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	120	429
Coatings | Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Coatings | Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	138	178
Coatings | Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	270
Coatings | Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	548	4,699
Coatings | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation
Restructuring Cost and Reserve [Line Items]
Restructuring charges	52	401
Irrigation | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	52	401
Irrigation | Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation | Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	52	271
Irrigation | Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation | Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation | Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Irrigation | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	130
Other/ Corporate
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,215	4,418
Other/ Corporate | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	73
Other/ Corporate | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	2,215	4,345
Other/ Corporate | Severance | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	73
Other/ Corporate | Severance | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	400	640
Other/ Corporate | Other cash restructuring expenses | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Other/ Corporate | Other cash restructuring expenses | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Other/ Corporate | Asset impairments/net loss on disposals | Cost of Sales
Restructuring Cost and Reserve [Line Items]
Restructuring charges	0	0
Other/ Corporate | Asset impairments/net loss on disposals | Selling, General and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 1,815	$ 3,705