Business Acquisition Bus acquisition - Table of acquired Intangibles (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012
Trade Names [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Trade Names [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	12 years
Customer Relationships [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Customer Relationships [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	30 years
Acquired Technology [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	3 years
Acquired Technology [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	20 years
MTS-Medication Technologies [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	83,900
Expected amortization of acquired intangibles first year	3,604
Weighted average life of intangibles	25 years 1 month 21 days
MTS-Medication Technologies [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangibles	12 years
MTS-Medication Technologies [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted average life of intangibles	30 years
MTS-Medication Technologies [Member] | Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	6,800
Finite-Lived Intangible Asset, Useful Life	12 years
Expected amortization of acquired intangibles first year	567
MTS-Medication Technologies [Member] | Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	50,500
Expected amortization of acquired intangibles first year	1,707
MTS-Medication Technologies [Member] | Customer Relationships [Member] | Minimum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	28 years
MTS-Medication Technologies [Member] | Customer Relationships [Member] | Maximum [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	30 years
MTS-Medication Technologies [Member] | Acquired Technology [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Acquired Finite-lived Intangible Asset, Amount	26,600
Finite-Lived Intangible Asset, Useful Life	20 years
Expected amortization of acquired intangibles first year	1,330