Goodwill and Other Intangible Assets - Goodwill (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($) segment	Jun. 30, 2014 USD ($)
Goodwill [Line Items]
Number of operating segments | segment			5
Impairment of goodwill	$ 192	$ 0	$ 192	$ 0
Goodwill	5,242		4,095
Accumulated impairment of goodwill	3,170		2,978
Goodwill [Roll Forward]
Acquired goodwill at beginning of period			7,073
Accumulated impairment at beginning of period			(2,978)
Net carrying amount, beginning balance			4,095
Additions			1,345
Impairment of goodwill	(192)	$ 0	(192)	$ 0
Goodwill, other			(6)
Acquired goodwill at end of period	8,415		8,415
Accumulated impairment at end of period	(3,170)		(3,170)
Goodwill, other, net increase			(3)
Net carrying amount, ending balance	5,242		5,242
Kleeneze Limited
Goodwill [Roll Forward]
Additions			1,342
Additions, Other			3
Tomboy Tools
Goodwill [Line Items]
Impairment of goodwill			192
Goodwill	190		190
Accumulated impairment of goodwill	375		375
Goodwill [Roll Forward]
Impairment of goodwill			(192)
Accumulated impairment at end of period	(375)		(375)
Net carrying amount, ending balance	$ 190		$ 190