Goodwill and Other Intangible Assets (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Roll Forward]
Goodwill, gross beginning of period	$ 45,431,000	$ 40,500,000
Accumulated impairment charges beginning of period	(26,941,000)	(26,941,000)
Goodwill, net beginning of period	18,490,000	13,559,000
Goodwill allocation related to acquisitions	100,016,000	4,812,000	9,065,000
Measurement period adjustments	(496,000)
Foreign currency translation	(437,000)	119,000
Goodwill, gross end of period	144,514,000	45,431,000	40,500,000
Accumulated impairment charges end of period	(26,941,000)	(26,941,000)	(26,941,000)
Goodwill, net end of period	117,573,000	18,490,000	13,559,000
Components of intangible assets other than goodwill [Abstract]
Gross Carrying Amount	104,113,000	33,010,000
Accumulated Amortization	8,611,000	3,538,000
Net Carrying Amount	95,502,000	29,472,000
Intangible assets acquired	73,200,000	8,900,000
Amortization expense	5,400,000	1,900,000	800,000
Estimated amortization expense for intangible assets [Abstract]
2015	7,481,000
2016	7,181,000
2017	6,848,000
2018	6,556,000
2019	6,515,000
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	2 years
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Other intangible assets amortization period	24 years
Patents, Licenses and Technology [Member]
Components of intangible assets other than goodwill [Abstract]
Gross Carrying Amount	38,872,000	11,919,000
Accumulated Amortization	4,297,000	1,864,000
Net Carrying Amount	34,575,000	10,055,000
Customer Relationships [Member]
Components of intangible assets other than goodwill [Abstract]
Gross Carrying Amount	45,836,000	11,923,000
Accumulated Amortization	3,062,000	1,191,000
Net Carrying Amount	42,774,000	10,732,000
Non-compete Agreements [Member]
Components of intangible assets other than goodwill [Abstract]
Gross Carrying Amount	2,781,000	787,000
Accumulated Amortization	1,050,000	483,000
Net Carrying Amount	1,731,000	304,000
Trademarks [Member]
Components of intangible assets other than goodwill [Abstract]
Gross Carrying Amount	16,624,000	8,381,000
Accumulated Amortization	202,000	0
Net Carrying Amount	16,422,000	8,381,000
North America [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	18,865,000	15,293,000
Accumulated impairment charges beginning of period	(14,066,000)	(14,066,000)
Goodwill, net beginning of period	4,799,000	1,227,000
Goodwill allocation related to acquisitions	50,118,000	3,572,000
Measurement period adjustments	(496,000)
Foreign currency translation	0	0
Goodwill, gross end of period	68,487,000	18,865,000
Accumulated impairment charges end of period	(14,066,000)	(14,066,000)
Goodwill, net end of period	54,421,000	4,799,000
Reporting unit, Percentage of fair value in excess of carrying amount (in hundredths)	10.00%
Asia [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	14,107,000	12,875,000
Accumulated impairment charges beginning of period	(12,875,000)	(12,875,000)
Goodwill, net beginning of period	1,232,000	0
Goodwill allocation related to acquisitions	35,486,000	1,240,000
Measurement period adjustments	0
Foreign currency translation	(210,000)	(8,000)
Goodwill, gross end of period	49,383,000	14,107,000
Accumulated impairment charges end of period	(12,875,000)	(12,875,000)
Goodwill, net end of period	36,508,000	1,232,000
Reporting unit, Percentage of fair value in excess of carrying amount (in hundredths)	63.00%
Europe [Member]
Goodwill [Roll Forward]
Goodwill, gross beginning of period	12,459,000	12,332,000
Accumulated impairment charges beginning of period	0	0
Goodwill, net beginning of period	12,459,000	12,332,000
Goodwill allocation related to acquisitions	14,412,000	0
Measurement period adjustments	0
Foreign currency translation	(227,000)	127,000
Goodwill, gross end of period	26,644,000	12,459,000
Accumulated impairment charges end of period	0	0
Goodwill, net end of period	$ 26,644,000	$ 12,459,000
Reporting unit, Percentage of fair value in excess of carrying amount (in hundredths)	19.00%