Name:	kwr_EffectOfCfoTransitionCostsEarningsPerShareDiluted
Namespace Prefix:	kwr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

Reflects the effect on diluted earnings per share of certain customer bankruptcies during the period

No definition available.

Name:	kwr_EffectOfCustomerBankrupctiesEarningsPerShareDiluted
Namespace Prefix:	kwr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Reflects the effect on diluted earnings per share of an adjustment to the fair value of contingent consideration recognized at the time of a business combination.

No definition available.

Name:	kwr_EffectOfFairValueAdjustmentToContingentConsideration
Namespace Prefix:	kwr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

In a business combination achieved in stages, this element represents the amount of gain per diluted share recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

No definition available.

Name:	kwr_EffectOfRevaluationGainEarningsPerShareDiluted
Namespace Prefix:	kwr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Reflects the effect on diluted earnings per share of adjustments of previously recorded tax expense, significant settlements of income tax disputes, and unusual tax positions or infrequent actions taken by the entity, including tax assessment reversal, IRS tax settlement and unusual repatriation of foreign earnings.

No definition available.

Name:	kwr_EffectOfUncertainTaxPositionAdjustmentsEarningsPerShareDiluted
Namespace Prefix:	kwr_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Amount of uncommon charges including new brand launch costs and certain severance charges included in the interim period that affected period-to-period comparability on a per diluted share basis.

No definition available.