Additional environmental remediation expense.

No definition available.

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- Definition

Aggregate environmental liability.

+ References

No definition available.

+ Details

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- Definition

Cost sharing environmental liabilities.

+ References

No definition available.

+ Details

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Balance Type:	credit
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- Definition

Environmental remediation time frame.

+ References

No definition available.

+ Details

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- Definition

Percentage of environmental costs paid by federal government.

+ References

No definition available.

+ Details

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- Definition

Percentage of environmental response costs payable.

+ References

No definition available.

+ Details

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- Definition

Percentage of environmental response costs payable thereafter.

+ References

No definition available.

+ Details

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- Definition

Sale of environmental remediation property.

+ References

No definition available.

+ Details

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- Definition

Number of locations for participating in environmental assessments and remediation work.

+ References

No definition available.

+ Details

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- Definition

The charge against earnings in the period for known or estimated future costs arising from requirements to perform environmental remediation activities.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 30

-Section 50

-Paragraph 12

-URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13296-110859

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- Definition

Other increase (decrease) not attributable to current expense nor cash payments during an accounting period in estimated obligations recorded for probable future costs attributable to environmental contamination issues.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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- Definition

A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.6-07.2(a),(b),(c),(d))

-URI http://asc.fasb.org/extlink&oid=6488393&loc=d3e606610-122999

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 225

-Section 45

-Paragraph 3

-Subparagraph (k)

-URI http://asc.fasb.org/extlink&oid=6488370&loc=d3e13550-115849

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- Definition

Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.1(f))

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Contingencies and Legacy Environmental Commitments - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	9 Months Ended		12 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	3 Months Ended
	Dec. 31, 2014 Location	Dec. 31, 2013	Mar. 31, 2014	Jul. 31, 2001	May 27, 2014	Jun. 30, 2014	Jun. 30, 2005	Dec. 31, 2003	Jun. 30, 1999
Site Contingency [Line Items]
Aggregate environmental liability	$ 9,431bzc_AggregateEnvironmentalLiability		$ 10,323bzc_AggregateEnvironmentalLiability
Cost-sharing related to environmental liabilities	1,346bzc_CostSharingEnvironmentalLiabilities		1,918bzc_CostSharingEnvironmentalLiabilities
Environmental costs	701us-gaap_EnvironmentalRemediationExpense	1,039us-gaap_EnvironmentalRemediationExpense	1,487us-gaap_EnvironmentalRemediationExpense
Number of locations for participating in environmental assessments and remediation work	7bzc_SiteContingencyNumberOfLocations
Time frame for environmental liabilities	30 years
Real estate held for sale	3,800us-gaap_RealEstateHeldforsale		3,800us-gaap_RealEstateHeldforsale
Decrease in environmental reserve	412
Glen Head, New York
Site Contingency [Line Items]
Aggregate environmental liability	3,154
Real estate held for sale	3,800
Sale of environmental remediation property				4,000
Federal Labs
Site Contingency [Line Items]
Aggregate environmental liability	4,264
Environmental costs								200
Additional environmental remediation expense								200
Percentage of environmental costs paid by Federal Government							45.00%		50.00%
Maximum technical and oversight fees	10
Decrease in environmental reserve						412
Percentage of environmental costs payable					26.00%
Percentage of environmental costs payable thereafter					33.50%
Federal Labs \| Minimum
Site Contingency [Line Items]
Time frame for environmental liabilities	20 years
Federal Labs \| Maximum
Site Contingency [Line Items]
Time frame for environmental liabilities	30 years
Other Properties
Site Contingency [Line Items]
Aggregate environmental liability	$ 2,013