Acquisitions (Narrative) (Details) (Solid Concepts Inc [Member], USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended	3 Months Ended
Jul. 14, 2014	Mar. 31, 2015
Ownership percentage	100.00%
Potential retention related payments		$ 30.3
Retention related payments		0.1
Stock Issued During Period, Shares, Acquisitions	978,601
Level 3 [Member]
Fair value of the deferred payments		22.4
Undiscounted amount of the deferred payments		25.8
Increase percentage in share price whose effect on fair value of deferred payments		10.00%
Increase in fair value of deferred payments due to increase of share price		2.2
Decrease percentage in share price whose effect on fair value of deferred payments liability		10.00%
Increase in fair value of deferred payments liability due to decrease of share price		$ 0.7

Represents the fair value of deferred payments in a business combination.

No definition available.

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- Definition

Represents the decrease percentage in share price whose effect on fair value of deferred payments liability.

+ References

No definition available.

+ Details

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- Definition

Represents the increase in fair value amount of deferred payments due to increase of share price.

+ References

No definition available.

+ Details

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- Definition

Represents the increase in fair value amount of deferred payments liability due to decrease of share price.

+ References

No definition available.

+ Details

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- Definition

Represents the increase percentage in share price whose effect on fair value of deferred payments.

+ References

No definition available.

+ Details

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- Definition

Maximum Potential Retention Related Payments

+ References

No definition available.

+ Details

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- Definition

Amount of unadjusted deferred payments recognized as liabilities at fair value in the entity's consolidated balance sheets and are classified under short-term and long term obligations in connection with acquisitions.

+ References

No definition available.

+ Details

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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- Definition

Amount of tangible or intangible assets, including a business or subsidiary of the acquirer transferred by the entity to the former owners of the acquiree. Excludes cash.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (b)(2)

-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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- Definition

Number of shares of stock issued during the period pursuant to acquisitions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 29, 30

-Article 5

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