Other Intangibles, Net (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Summary of other intangible assets
Other Intangibles, Gross	$ 114,642,000	$ 112,422,000	$ 71,006,000
Accumulated Amortization	(76,437,000)	(62,901,000)	(51,234,000)
Other intangibles, net	38,205,000	49,521,000	19,772,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	112,422,000	71,006,000
Additions	2,123,000	41,736,000
Stock-based compensation additions	106,000	131,000
Gross, translation adjustments	(9,000)	(451,000)
Gross, balance at end of period	114,642,000	112,422,000	71,006,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(62,901,000)	(51,234,000)
Amortization	(14,083,000)	(11,627,000)	(7,646,000)
Accumulated amortization, translation adjustments	547,000	(40,000)
Accumulated Amortization, balance at end of period	(76,437,000)	(62,901,000)	(51,234,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	49,521,000	19,772,000
Additions	2,123,000	41,736,000
Stock-based compensation additions	106,000	131,000
Amortization	(14,083,000)	(11,627,000)	(7,646,000)
Net, translation adjustments	538,000	(491,000)
Net, balance at end of period	38,205,000	49,521,000	19,772,000
Other intangible disclosures
Additions to intangible assets due to business acquisitions and other		41,900,000
Additions from capitalized software development costs	2,200,000	2,500,000
Black Diamond
Other intangible disclosures
Additions from business acquisitions		27,400,000
Syncova
Other intangible disclosures
Additions from business acquisitions		12,000,000
Developed technology
Summary of other intangible assets
Other Intangibles, Gross	69,073,000	66,863,000
Accumulated Amortization	(46,871,000)	(37,055,000)
Other intangibles, net	22,202,000	29,808,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	66,863,000
Gross, balance at end of period	69,073,000	66,863,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(37,055,000)
Amortization	(10,258,000)	(8,820,000)	(6,374,000)
Accumulated Amortization, balance at end of period	(46,871,000)	(37,055,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	29,808,000
Amortization	(10,258,000)	(8,820,000)	(6,374,000)
Net, balance at end of period	22,202,000	29,808,000
Purchased technologies
Summary of other intangible assets
Weighted Average Amortization Period (in years)	5.1	5.1
Other Intangibles, Gross	50,642,000	50,661,000
Accumulated Amortization	(31,934,000)	(24,777,000)
Other intangibles, net	18,708,000	25,884,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	50,661,000
Gross, balance at end of period	50,642,000	50,661,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(24,777,000)
Amortization	(7,599,000)	(6,019,000)	(3,325,000)
Accumulated Amortization, balance at end of period	(31,934,000)	(24,777,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	25,884,000
Amortization	(7,599,000)	(6,019,000)	(3,325,000)
Net, balance at end of period	18,708,000	25,884,000
Product development costs
Summary of other intangible assets
Weighted Average Amortization Period (in years)	3.0	3.0
Other Intangibles, Gross	18,431,000	16,202,000
Accumulated Amortization	(14,937,000)	(12,278,000)
Other intangibles, net	3,494,000	3,924,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	16,202,000
Gross, balance at end of period	18,431,000	16,202,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(12,278,000)
Amortization	(2,659,000)	(2,801,000)	(3,049,000)
Accumulated Amortization, balance at end of period	(14,937,000)	(12,278,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	3,924,000
Amortization	(2,659,000)	(2,801,000)	(3,049,000)
Net, balance at end of period	3,494,000	3,924,000
Other technologies
Summary of other intangible assets
Other Intangibles, Gross	45,569,000	45,559,000
Accumulated Amortization	(29,566,000)	(25,846,000)
Other intangibles, net	16,003,000	19,713,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	45,559,000
Gross, balance at end of period	45,569,000	45,559,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(25,846,000)
Amortization	(3,825,000)	(2,807,000)	(1,272,000)
Accumulated Amortization, balance at end of period	(29,566,000)	(25,846,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	19,713,000
Amortization	(3,825,000)	(2,807,000)	(1,272,000)
Net, balance at end of period	16,003,000	19,713,000
Customer relationships
Summary of other intangible assets
Weighted Average Amortization Period (in years)	6.4	6.4
Other Intangibles, Gross	40,924,000	40,917,000
Accumulated Amortization	(26,919,000)	(24,164,000)
Other intangibles, net	14,005,000	16,753,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	40,917,000
Gross, balance at end of period	40,924,000	40,917,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(24,164,000)
Amortization	(2,854,000)	(2,146,000)	(970,000)
Accumulated Amortization, balance at end of period	(26,919,000)	(24,164,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	16,753,000
Amortization	(2,854,000)	(2,146,000)	(970,000)
Net, balance at end of period	14,005,000	16,753,000
Other intangibles
Summary of other intangible assets
Weighted Average Amortization Period (in years)	4.1	4.1
Other Intangibles, Gross	4,645,000	4,642,000
Accumulated Amortization	(2,647,000)	(1,682,000)
Other intangibles, net	1,998,000	2,960,000
Finite-Lived Other Intangible Assets, Gross
Gross, balance at beginning of period	4,642,000
Gross, balance at end of period	4,645,000	4,642,000
Finite-Lived Intangible Assets, Accumulated Amortization
Accumulated Amortization, balance at beginning of period	(1,682,000)
Amortization	(971,000)	(661,000)	(302,000)
Accumulated Amortization, balance at end of period	(2,647,000)	(1,682,000)
Finite-Lived Intangible Assets, Net
Net, balance at beginning of period	2,960,000
Amortization	(971,000)	(661,000)	(302,000)
Net, balance at end of period	$ 1,998,000	$ 2,960,000