Significant Accounting Policies (Details 3)	12 Months Ended
	Dec. 31, 2013
Customer relationships
Goodwill and intangible assets
Useful life	13 years 10 months 24 days
Other intangible assets
Goodwill and intangible assets
Useful life	9 years 1 month 6 days
Minimum | Customer relationships
Goodwill and intangible assets
Useful life	3 years
Minimum | Other intangible assets
Goodwill and intangible assets
Useful life	3 years
Maximum | Customer relationships
Goodwill and intangible assets
Useful life	17 years
Maximum | Other intangible assets
Goodwill and intangible assets
Useful life	17 years