Commitments Disclosure [Line Items]

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Latvian Commercial Case Range of Loss

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Loss contingency claims settled amount.

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Loss contingency number of plaintiffs, dismissed.

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Loss contingency number of plaintiffs, reduced.

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Loss Contingency, Number of Cases Scheduled

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Number of lawsuits filed.

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No definition available.

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- Definition

Percentage of claimants agreed for settlement.

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Percentage of claimants agreed for settlement as per settlement agreement.

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Warranty maturity periods.

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The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

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- Definition

The amount of environmental remediation liabilities included in liabilities subject to compromise.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 45

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-Name Accounting Standards Codification

-Topic 852

-SubTopic 10

-Section 50

-Paragraph 2

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-URI http://asc.fasb.org/extlink&oid=6918054&loc=d3e56015-112765

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- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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- Definition

Number of claims dismissed.

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No definition available.

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The number of claims settled and dismissed during the period.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

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- Definition

Number of plaintiffs that have filed claims pertaining to a loss contingency.

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- Definition

Number of pending claims pertaining to a loss contingency.

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- Definition

The estimated minimum amount of possible loss from the contingency.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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- Definition

The cash outflow to reacquire common stock during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585

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-Publisher FASB

-Name Accounting Standards Codification

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Repayment received or receivable for expenses incurred on behalf of a client or customer, other than those reimbursements received by landlords from tenants.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

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-Name Accounting Standards Codification

-Topic 605

-SubTopic 45

-Section 45

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Amount of stock repurchase plan authorized.

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Commitments and Contingencies - Additional Information (Detail)						1 Months Ended								3 Months Ended	4 Months Ended		7 Months Ended	9 Months Ended		10 Months Ended	12 Months Ended							13 Months Ended	36 Months Ended			72 Months Ended
	May. 04, 2015 Plaintiff	May. 04, 2015 Case	Apr. 24, 2015 Plaintiff	Jan. 12, 2015 Plaintiff	Nov. 30, 2012 Plaintiff	Jan. 31, 2016 plaintiff	Aug. 31, 2015 Case case	Feb. 28, 2015 Plaintiff	Jan. 31, 2015 Plaintiff Case case	Dec. 31, 2014 USD ($) Plaintiff	Mar. 31, 2014 Plaintiff	Dec. 31, 2012 Plaintiff	Nov. 30, 2011 Plaintiff	Sep. 30, 2015 USD ($)	Jul. 31, 2013 Plaintiff	Apr. 22, 2011 Plaintiff	Oct. 31, 2012 Plaintiff Case	Sep. 30, 2015 USD ($) Plaintiff	Sep. 30, 2014 USD ($)	Mar. 31, 2014 case	Dec. 31, 2013 USD ($) plaintiff	Apr. 22, 2011 USD ($)	Dec. 31, 2010 USD ($) Plaintiff	Dec. 31, 2010 USD ($) plaintiff	Dec. 31, 2010 USD ($)	Dec. 31, 2009 USD ($) Plaintiff plaintiff Case case	Dec. 31, 2008 Plaintiff	Jun. 30, 2014 case	Dec. 31, 2009 Plaintiff Case case	Dec. 31, 2009 Plaintiff Case case	Dec. 31, 2009 Plaintiff Case case	Dec. 31, 2004 plaintiff case	Nov. 04, 2014 USD ($)	Apr. 22, 2014 USD ($)	Apr. 29, 2011	Jan. 04, 2011 Plaintiff
Commitments Disclosure [Line Items]
Payments for repurchase of common stock \| $														$ 5,600,000				$ 10,600,000	$ 6,700,000
Authorized amount \| $																																	$ 75,000,000	$ 15,000,000
Amount outstanding standby letters of credit \| $														34,700,000				34,700,000
Reserves related to environmental remediation \| $										$ 1,300,000				900,000				900,000
Loss Contingency, New Claims Filed, Number \| Case		2
Number of plaintiffs cases dismissed					2
Reimbursement \| $																		$ 200,000	$ 200,000
Minimum
Commitments Disclosure [Line Items]
Warranty maturity periods																		1 year
Latvian Commercial Case Range of Loss \| $														0				$ 0
Maximum
Commitments Disclosure [Line Items]
Warranty maturity periods																		5 years
Latvian Commercial Case Range of Loss \| $														$ 5,000,000				$ 5,000,000
Circuit Court Of Cook County
Commitments Disclosure [Line Items]
Number of additional cases filed by firefighters \| case																										6			6	6	6	33
Number of plaintiffs \| plaintiff																					74											2,443
Number of cases of plaintiff's claims																											27
Number of claimants settled																																				308
Court of Common Pleas, Philadelphia County
Commitments Disclosure [Line Items]
Number of additional cases filed by firefighters \| Case																										71			71	71	71
Number of plaintiffs																													71
Loss Contingency, Claims Dismissed, Number \| Case																														3
Number of cases of plaintiff's claims																														4	3
Damages maximum amount \| $																									$ 100,000
Damages subsequently reduced, minimum amount \| $																							$ 80,000	$ 80,000	$ 80,000
Number of claimants settled																																				1,125
Settlement Agreement
Commitments Disclosure [Line Items]
Number of plaintiffs																1,069
Claims settled amount \| $																					$ 3,800,000
Percentage of claimants agreed for settlement																95.02%						95.02%													93.00%
Percentage of claimants agreed for settlement as per settlement agreement																																			100.00%
Settlement Agreement payment made \| $																						$ (3,600,000)
Supreme Court of Kings County New York
Commitments Disclosure [Line Items]
Loss Contingency, New Claims Filed, Number																		4
Outside Chicago Firefighter Plaintiffs
Commitments Disclosure [Line Items]
Number of plaintiffs				1,800
Outside Chicago Firefighter Plaintiffs \| Circuit Court Of Cook County
Commitments Disclosure [Line Items]
Number of plaintiffs \| plaintiff																																1,800
Pennsylvania Firefighter Plaintiffs \| Circuit Court Of Cook County
Commitments Disclosure [Line Items]
Number of plaintiffs \| plaintiff																										299
Chicago Firefighter Plaintiffs
Commitments Disclosure [Line Items]
Number of additional cases filed by firefighters																										40			40	40	40
Number of plaintiffs					3							3	8
Chicago Firefighter Plaintiffs \| Minimum
Commitments Disclosure [Line Items]
Number of plaintiffs \| plaintiff																										9
Chicago Firefighter Plaintiffs \| Maximum
Commitments Disclosure [Line Items]
Number of plaintiffs																										40
Chicago Firefighter Plaintiffs \| Circuit Court Of Cook County
Commitments Disclosure [Line Items]
Plaintiff's counsel later moved to reduce the number of plaintiff																										9
Claims settled amount \| $																										$ 400,000
Philadelphia Firefighter Plaintiffs \| Court of Common Pleas, Philadelphia County
Commitments Disclosure [Line Items]
Number of additional cases filed by firefighters \| Case																	20
Number of plaintiffs									70	3							20						9	9
Loss Contingency, Claims Dismissed, Number \| case																				5
Loss Contingency, New Claims Filed, Number \| Case							2		2
Loss Contingency, Number of Cases Scheduled \| case																												7
District of Columbia Firefighter Plaintiffs \| Federal Court, Eastern District of Pennsylvania
Commitments Disclosure [Line Items]
Number of plaintiffs \| case							42		11
Loss Contingency, New Claims Filed, Number \| Case									1
Pittsburgh Firefighter Plaintiffs \| Allegheny County, Pennsylvania
Commitments Disclosure [Line Items]
Number of plaintiffs															247
Loss Contingency, Claims Dismissed, Number															41
Erie County Firefighter Plaintiffs \| Court of Common Pleas, Philadelphia County
Commitments Disclosure [Line Items]
Number of plaintiffs											61
Loss Contingency, Claims Dismissed, Number											32
Buffalo Firefighter Plaintiffs \| Supreme Court of State of New York Erie County
Commitments Disclosure [Line Items]
Number of plaintiffs																		193
Loss Contingency, New Claims Filed, Number																		20
New York City Firefighter Plaintiffs \| Supreme Court of State of New York, New York County
Commitments Disclosure [Line Items]
Number of plaintiffs			8					1
New Jersey Firefighter Plaintiffs \| Superior Court of New Jersey, Union County [Member]
Commitments Disclosure [Line Items]
Number of plaintiffs	34
Scenario, Forecast [Member] \| Pittsburgh Firefighter Plaintiffs \| Allegheny County, Pennsylvania
Commitments Disclosure [Line Items]
Number of plaintiffs \| plaintiff						8