BUSINESS ACQUISITIONS (Details) (USD $)	3 Months Ended				0 Months Ended
	Mar. 31, 2015		Dec. 31, 2014	Mar. 31, 2014	Jan. 02, 2014	May 01, 2014
Purchase price allocation [Abstract]
Cash	$ 3,344,000
Accounts Receivable, net	57,104,000
Inventory	8,994,000
Property and equipment	15,130,000
Goodwill and intangibles	267,817,000	[1]
Other assets	1,850,000
Assets acquired	354,239,000
Current liabilities assumed	30,026,000
Non-current liabilities assumed	15,992,000
Net assets acquired	308,221,000
Goodwill acquired	253,312,000		253,312,000
Goodwill impairment expense			117,600,000
Pro Forma Information [Abstract]
Net sales	341,594,000			358,304,000
Net income	9,651,000			11,876,000
Per share data [Abstract]
Basic earnings (in dollars per share)	$ 0.67			$ 0.81
Diluted earnings (in dollars per share)	$ 0.63			$ 0.76
Business acquired in 2014 [Member]
Purchase price allocation [Abstract]
Maximum period of information after acquisition date for revision in estimates	1 year
Sales from business acquisitions	43,700,000
Earnings (loss) before taxes from business acquisitions	1,400,000
Minimum [Member]
Purchase price allocation [Abstract]
Discount rate for valuation of acquired intangibles (in hundredths)			10.00%
Maximum [Member]
Purchase price allocation [Abstract]
Discount rate for valuation of acquired intangibles (in hundredths)			13.50%
B27, LLC [Member]
Purchase price allocation [Abstract]
Cash	2,538,000
Accounts Receivable, net	51,448,000
Inventory	6,472,000
Property and equipment	14,573,000
Goodwill and intangibles	259,412,000	[1]
Other assets	1,791,000
Assets acquired	336,234,000
Current liabilities assumed	26,690,000
Non-current liabilities assumed	15,992,000
Net assets acquired	293,552,000
Purchase price					293,600,000
Number of shares issued on acquisition (in shares)					36,000
Goodwill acquired					178,300,000
Goodwill impairment expense			105,300,000
Intangible assets acquired					81,100,000
Purchase price financed under common stock issued					4,000,000
Transaction cost					1,000,000
Nontax deductible goodwill or intangible assets					154,600,000
Discount rate for valuation of acquired intangibles (in hundredths)	13.50%
Machinery Tooling and Supply LLC [Member]
Purchase price allocation [Abstract]
Cash	806,000
Accounts Receivable, net	5,656,000
Inventory	2,522,000
Property and equipment	557,000
Goodwill and intangibles	8,405,000	[1]
Other assets	59,000
Assets acquired	18,005,000
Current liabilities assumed	3,336,000
Non-current liabilities assumed	0
Net assets acquired	14,669,000
Purchase price						14,700,000
Goodwill acquired						4,300,000
Intangible assets acquired						$ 4,100,000

[1] The amounts in the table above do not reflect the $105.3 million of goodwill impairment charges for B27 recorded in the fourth quarter of 2014.