Special Charges/Recoveries Charges Incurred to Date (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2017	Apr. 03, 2016	Dec. 31, 2016	Dec. 31, 2015
Restructuring Cost and Reserve [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	$ 232	$ 889
Contingent consideration revaluation	(2,500)
Special Charges, Net	(2,268)	776
Restructuring Charges	1,458	1,163
Other Nonrecurring (Income) Expense	(2,268)	776
Restructuring and Related Cost, Incurred Cost	(810)	1,939
Restructuring Reserve	1,418	652	$ 1,618	$ 663
Payments for Restructuring	(1,658)	(1,174)
Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(5,899)
Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		(113)
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	501	139
Employee Severance [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(4,141)
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Recoveries of Restructuring Charges	957	1,024
Facility Closing [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(1,758)
Energy [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	232	887
Contingent consideration revaluation	(2,500)
Restructuring Charges	1,022	(278)
Other Nonrecurring (Income) Expense	(2,268)	887
Energy [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(4,188)
Energy [Member] | Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		0
Energy [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down		900
Restructuring Charges	172	98
Energy [Member] | Employee Severance [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(2,631)
Energy [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Recoveries of Restructuring Charges	850	(376)
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	200
Energy [Member] | Facility Closing [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(1,557)
Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	0	2
Restructuring Charges	0	0
Other Nonrecurring (Income) Expense	0	2
Corporate [Member] | Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		0
Corporate [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	0	0
Corporate [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Recoveries of Restructuring Charges	0	0
Advanced Flow Solutions [Member]
Restructuring Cost and Reserve [Line Items]
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down	0	0
Restructuring Charges	436	1,441
Other Nonrecurring (Income) Expense	0	(113)
Advanced Flow Solutions [Member] | California Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(4,500)
Advanced Flow Solutions [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(1,711)
Advanced Flow Solutions [Member] | Acquisitions [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		(113)
Advanced Flow Solutions [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	329	41
Advanced Flow Solutions [Member] | Employee Severance [Member] | California Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(800)
Advanced Flow Solutions [Member] | Employee Severance [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(1,510)
Advanced Flow Solutions [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Recoveries of Restructuring Charges	107	$ 1,400
Advanced Flow Solutions [Member] | Facility Closing [Member] | California Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	(3,700)
Advanced Flow Solutions [Member] | Facility Closing [Member] | Two Thousands Sixteen Actions Restructuring Charges [Member]
Restructuring Cost and Reserve [Line Items]
Charges incurred to date	$ (201)