Excess Tax Benefit From Share-based Compensation, Net Windfall, Operating Activities

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The actual payout percentage related to attainment of certain market based criteria under the performance share awards

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Performance Based Criteria Plan Payout Percentage

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Performance Based Criteria Plan Payout Percentage, Over/Under

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The total dollar difference between fair values of the underlying shares at exercise date and exercise prices assigned at grant date of SARS exercised during the period.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Award Performance Period

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Share-based Compensation Arrangement by Share-based Payment Award, Total Shareholder Return Threshold, Percentage

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost capitalized for award under share-based payment arrangement.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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- Definition

Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended				12 Months Ended
	Feb. 11, 2021	May 31, 2020	Feb. 29, 2020	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of shares authorized (shares)						9,700,000
Pre-tax stock-based compensation cost						$ 23.9	$ 16.4	$ 24.2
Income tax benefits						3.2	2.2	5.3
Net tax windfall as a result of exercise or vesting of awards						3.4	3.3	2.4
Unrecognized compensation cost related to non-vested awards						19.1
Capitalized to inventory						$ 0.4	0.2	0.2
Vesting Period Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						33.33%
Vesting Period Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						33.33%
2020 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage, over/under						150.00%
2018 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage, over/under						120.00%
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (shares)						101,000
Shares vested (shares)						68,000
Vested in period total fair value						$ 7.8	$ 8.9	$ 8.6
Shares granted (USD per share)						$ 145.48	$ 127.89	$ 108.74
Restricted Stock \| Director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (shares)						7,413	8,216	9,376
Restricted Stock Awards, Service Conditions \| Vesting Period One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						33.33%
Restricted Stock Awards, Market Conditions
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						100.00%
Shares granted (shares)						0	0	0
Award performance period						3 years
TSR threshold						20.00%
Shares vested (shares)						18,100
Vested in period total fair value						$ 3.0
Stock Appreciation Rights SARS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (shares)						287,000
Shares granted (USD per share)						$ 146.22
Award vesting period						3 years
Award, expiration period						10 years
SARS exercised intrinsic value				$ 14.1		$ 20.2	$ 17.8	$ 14.1
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (shares)			63,868	60,008
Award performance period						3 years
Shares granted (USD per share)						$ 151.78		$ 98.80
Performance Shares \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						0.00%
Performance Shares \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						200.00%
Performance Shares \| 2020 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (USD per share)						$ 151.78
Performance based criteria plan payout percentage, over/under						150.00%
Performance Shares \| 2020 Grant \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						0.00%
Performance Shares \| 2020 Grant \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						2.00%
Performance Shares \| 2018 Grant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted (USD per share)								$ 98.80
Performance based criteria plan payout percentage, over/under						120.00%
Performance Shares \| 2018 Grant \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						0.00%
Performance Shares \| 2018 Grant \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage						2.00%
Performance Shares, Vesting on Compounded Annual Growth Rate of Net Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						34.00%
Performance Shares, Vesting on Achieved Operating Margin Performance
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						33.00%
Performance Shares, Vesting on Achieved Trade Working Capital as a Percent of Net Sales
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						33.00%
Performance Shares - Market Condition \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares vested (shares)	16,100
Vested in period total fair value	$ 2.6
Market based criteria, actual payout percentage	87.00%
Performance Shares - Performance Condition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting percentage						100.00%
Shares granted (shares)					24,675
Award performance period					3 years	3 years
Shares vested (shares)		28,347
Vested in period total fair value		$ 3.5
Market based criteria, actual payout percentage		122.00%
Performance Shares - Performance Condition \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage					0.00%
Performance Shares - Performance Condition \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance based criteria plan payout percentage					250.00%
Selling and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation cost						$ 22.4	15.4	$ 23.4
Cost of goods sold
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax stock-based compensation cost						$ 1.5	$ 1.0	$ 0.8