Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended				0 Months Ended
	Dec. 27, 2014		Dec. 28, 2013	Dec. 29, 2012	Aug. 16, 2012	Oct. 17, 2013	Aug. 09, 2013	Mar. 29, 2014
Goodwill [Roll Forward]
Goodwill	$ 143,762,000		$ 153,984,000
Accumulated impairment, beginning balance	(49,405,000)		(49,405,000)
Goodwill, net	102,909,000		94,357,000	104,579,000
Additions	9,123,000	[1]	310,000
Currency translation	(571,000)
Disposition			(10,532,000)
Goodwill	152,314,000		143,762,000	153,984,000
Accumulated impairment, ending balance	(49,405,000)		(49,405,000)	(49,405,000)
Purchase price allocation adjustments	1,000,000
Goodwill allocated to disposal group							10,500,000
Amortization expenses	3,200,000		900,000	700,000
Amortization expense for intangible assets
2015	3,412,000
2016	2,519,000
2017	1,334,000
2018	1,079,000
2019	1,011,000
Thereafter	9,109,000
Net Carrying Amount	18,464,000		5,500,000
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount			7,800,000
Net Carrying Amount	18,464,000		5,500,000
Customer Relationships [Member]
Amortization expense for intangible assets
Net Carrying Amount	11,326,000
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	20 years
Gross Carrying Amount	11,852,000
Accumulated Amortization	(526,000)
Net Carrying Amount	11,326,000
Non-compete Agreements [Member]
Amortization expense for intangible assets
Net Carrying Amount	3,188,000
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	4,495,000
Accumulated Amortization	(1,307,000)
Net Carrying Amount	3,188,000
Non-compete Agreements [Member] | Minimum [Member]
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	3 years
Non-compete Agreements [Member] | Maximum [Member]
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	5 years
Patents and Technology [Member]
Amortization expense for intangible assets
Net Carrying Amount	2,108,000
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	10 years
Gross Carrying Amount	6,852,000
Accumulated Amortization	(4,744,000)
Net Carrying Amount	2,108,000
Trade Names and Licenses [Member]
Amortization expense for intangible assets
Net Carrying Amount	1,418,000
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	3 years
Gross Carrying Amount	1,670,000
Accumulated Amortization	(252,000)
Net Carrying Amount	1,418,000
Other [Member]
Amortization expense for intangible assets
Net Carrying Amount	424,000
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	877,000
Accumulated Amortization	(453,000)
Net Carrying Amount	424,000
Other [Member] | Minimum [Member]
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	2 years
Other [Member] | Maximum [Member]
Carrying amount of intangible assets [Abstract]
Estimated Useful Life	5 years
Other Intangible Assets [Member]
Amortization expense for intangible assets
Net Carrying Amount	18,464,000
Carrying amount of intangible assets [Abstract]
Gross Carrying Amount	25,746,000
Accumulated Amortization	(7,282,000)
Net Carrying Amount	18,464,000
Westemeyer Industries, Inc. [Member]
Goodwill [Roll Forward]
Cost of acquisition					11,600,000
Allocation to other intangible assets					2,700,000
Howell [Member]
Goodwill [Roll Forward]
Cost of acquisition			55,300,000			55,300,000
Allocation to goodwill			1,300,000
Allocation to other intangible assets			2,300,000					2,300,000
Yorkshire [Member]
Goodwill [Roll Forward]
Cost of acquisition	30,100,000
Allocation to goodwill	8,100,000
Allocation to other intangible assets	16,900,000
Plumbing and Refrigeration Segment [Member]
Goodwill [Roll Forward]
Goodwill	131,462,000		141,684,000
Accumulated impairment, beginning balance	(39,434,000)		(39,434,000)
Goodwill, net	100,580,000		92,028,000	102,250,000
Additions	9,123,000	[1]	310,000
Currency translation	(571,000)
Disposition			(10,532,000)
Goodwill	140,014,000		131,462,000
Accumulated impairment, ending balance	(39,434,000)		(39,434,000)
OEM Segment [Member]
Goodwill [Roll Forward]
Goodwill	12,300,000		12,300,000
Accumulated impairment, beginning balance	(9,971,000)		(9,971,000)
Goodwill, net	2,329,000		2,329,000	2,329,000
Additions	0	[1]	0
Currency translation	0
Disposition			0
Goodwill	12,300,000		12,300,000
Accumulated impairment, ending balance	$ (9,971,000)		$ (9,971,000)

[1] Includes finalization of the purchase price allocation adjustment for Howell of $1.0 million