Changes in Carrying Amount of Net Intangible Assets (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Mar. 31, 2014
Intangible Assets [Line Items]
Beginning balance	$ 40,552
Acquisition	60,500
Amortization expense	(7,380)
Currency translation	2,438
Ending balance	$ 96,110

Amount of decrease in assets, excluding financial assets, lacking physical substance with a definite life, resulting from amortization expense.

No definition available.

+ Details

Name:	tech_IntangibleAssetsAmortizationExpense
Namespace Prefix:	tech_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Namespace Prefix:	tech_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

+ Details

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Balance Type:	debit
Period Type:	instant

- Definition

Amount of increase (decrease) to assets, excluding financial assets and goodwill, lacking physical substance with a finite life for foreign currency translation adjustments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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