XML 38 R22.htm IDEA: XBRL DOCUMENT v3.3.0.814

Share-Based Awards (Tables)

9 Months Ended

Sep. 25, 2015

Employee Service Share-based Compensation, Aggregate Disclosures [Abstract]

Employee Stock Option Activity

Options on common shares granted and outstanding, as well as the weighted average exercise price, are shown below (in thousands, except exercise prices):

	Option Shares			Weighted Average Exercise Price				Options Exercisable			Weighted Average Exercise Price
Outstanding, December 26, 2014	4,975			$	44.72			3,318			$	34.86
Granted	543			74.19
Exercised	(171	)		34.57
Canceled	(17	)		72.14
Outstanding, September 25, 2015	5,330			$	47.96			3,739			$	38.55

Black Scholes Option Pricing Inputs

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option-pricing model with the following weighted average assumptions and results:

	Thirty-nine Weeks Ended
	Sep 25, 2015				Sep 26, 2014
Expected life in years	6.5				6.5
Interest rate	1.7		%		2.0		%
Volatility	35.0		%		36.1		%
Dividend yield	1.6		%		1.5		%
Weighted average fair value per share	$	23.18			$	24.83

Fair Value of Employee Purchase Rights

The benefit of the 15 percent discount from the lesser of the fair market value per common share on the first day and the last day of the plan year was added to the fair value of the employees’ purchase rights determined using the Black-Scholes option-pricing model with the following assumptions and results:

	Thirty-nine Weeks Ended
	Sep 25, 2015				Sep 26, 2014
Expected life in years	1.0				1.0
Interest rate	0.2		%		0.1		%
Volatility	18.9		%		21.4		%
Dividend yield	1.6		%		1.4		%
Weighted average fair value per share	$	16.51			$	17.81

Shares Authorized

Shares authorized for issuance under stock option and purchase plans are shown below (in thousands):

	Total Shares Authorized			Available for Future Issuance as of Sep 25, 2015
Stock Incentive Plan (2015)	3,500			3,452
Employee Stock Purchase Plan (2006)	7,000			4,928
Total	10,500			8,380

X

- References

No definition available.

+ Details

Name:	ggg_ScheduleOfShareBasedPaymentAwardStockOptionsAuthorizedTableTextBlock
Namespace Prefix:	ggg_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901



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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 1



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

+ Details

Name:	us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_EmployeeServiceShareBasedCompensationAggregateDisclosuresAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (c)(1)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

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



-Publisher FASB



-Name Accounting Standards Codification



-Topic 718



-SubTopic 10



-Section 50



-Paragraph 2



-Subparagraph (f)(2)



-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

+ Details

Name:	us-gaap_ScheduleOfShareBasedPaymentAwardEmployeeStockPurchasePlanValuationAssumptionsTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration