10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 10-Q

(Mark One)

ý Quarterly report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the quarterly period ended March 31, 2019, or

¨ Transition report pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from __________ to __________                   

Commission file number 0-16125

FASTENAL COMPANY

(Exact name of registrant as specified in its charter)

Minnesota	41-0948415
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

2001 Theurer Boulevard Winona, Minnesota	55987-1500
(Address of principal executive offices)	(Zip Code)

(507) 454-5374

(Registrant's telephone number, including area code)

Not Applicable

(Former name, former address and former fiscal year, if changed since last report)

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days.    Yes  ý    No  ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files.)    Yes  ý    No  ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See definition of "large accelerated filer", "accelerated filer", "smaller reporting company", and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large Accelerated Filer	ý	Accelerated Filer	¨
Non-accelerated Filer	¨	Smaller Reporting Company	¨
		Emerging Growth Company	¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).    Yes  ¨    No  ý

Indicate the number of shares outstanding of each of the issuer's classes of common stock, as of the last practicable date.

Class	Outstanding at April 10, 2019
Common Stock, par value $.01 per share	286,314,823

FASTENAL COMPANY

INDEX

	Page No.
Part I Financial Information:
Condensed Consolidated Balance Sheets as of March 31, 2019 and December 31, 2018	1
Condensed Consolidated Statements of Earnings for the three months ended March 31, 2019 and 2018	2
Condensed Consolidated Statements of Comprehensive Income for the three months ended March 31, 2019 and 2018	3
Condensed Consolidated Statements of Stockholders' Equity for the three months ended March 31, 2019 and 2018	4
Condensed Consolidated Statements of Cash Flows for the three months ended March 31, 2019 and 2018	5
Notes to Condensed Consolidated Financial Statements	6
Management's Discussion and Analysis of Financial Condition and Results of Operations	14
Quantitative and Qualitative Disclosures About Market Risks	20
Controls and Procedures	20
Part II Other Information:
Legal Proceedings	21
Risk Factors	21
Unregistered Sales of Equity Securities and Use of Proceeds	21
Exhibits	21

PART I — FINANCIAL INFORMATION

ITEM 1 — FINANCIAL STATEMENTS

FASTENAL COMPANY AND SUBSIDIARIES

Condensed Consolidated Balance Sheets

(Amounts in millions except share information)

	(Unaudited)
Assets	March 31, 2019			December 31, 2018
Current assets:
Cash and cash equivalents	$	185.4		167.2
Trade accounts receivable, net of allowance for doubtful accounts of $11.8 and $12.8, respectively	793.0			714.3
Inventories	1,293.9			1,278.7
Prepaid income taxes	—			9.0
Other current assets	116.9			147.0
Total current assets	2,389.2			2,316.2
Property and equipment, net	943.3			924.8
Operating lease right-of-use assets	220.9			—
Other assets	98.4			80.5
Total assets	$	3,651.8		3,321.5
Liabilities and Stockholders' Equity
Current liabilities:
Current portion of debt	$	4.4		3.0
Accounts payable	183.9			193.6
Accrued expenses	232.8			240.8
Current portion of operating lease liabilities	91.8			—
Income taxes payable	41.7			—
Total current liabilities	554.6			437.4
Long-term debt	484.6			497.0
Operating lease liabilities	130.4			—
Deferred income taxes	85.0			84.4
Stockholders' equity:
Preferred stock: $0.01 par value, 5,000,000 shares authorized, no shares issued or outstanding	—			—
Common stock: $0.01 par value, 400,000,000 shares authorized, 286,265,537 and 285,901,919 shares issued and outstanding, respectively	2.9			2.9
Additional paid-in capital	22.7			3.0
Retained earnings	2,412.7			2,341.6
Accumulated other comprehensive loss	(41.1		)	(44.8	)
Total stockholders' equity	2,397.2			2,302.7
Total liabilities and stockholders' equity	$	3,651.8		3,321.5

See accompanying Notes to Condensed Consolidated Financial Statements.

1

FASTENAL COMPANY AND SUBSIDIARIES

Condensed Consolidated Statements of Earnings

(Amounts in millions except earnings per share)

	(Unaudited)
	Three Months Ended March 31,
	2019			2018
Net sales	$	1,309.3		1,185.8
Cost of sales	684.6			608.2
Gross profit	624.7			577.6
Operating and administrative expenses	363.6			342.7
(Gain) loss on sale of property and equipment	(0.3		)	0.4
Operating income	261.4			234.5
Interest income	0.1			0.1
Interest expense	(4.0		)	(2.7	)
Earnings before income taxes	257.5			231.9
Income tax expense	63.4			57.6
Net earnings	$	194.1		174.3
Basic net earnings per share	$	0.68		0.61
Diluted net earnings per share	$	0.68		0.61
Basic weighted average shares outstanding	286.1			287.6
Diluted weighted average shares outstanding	286.5			287.9

See accompanying Notes to Condensed Consolidated Financial Statements.

2

FASTENAL COMPANY AND SUBSIDIARIES

Condensed Consolidated Statements of Comprehensive Income

(Amounts in millions)

	(Unaudited)
	Three Months Ended March 31,
	2019		2018
Net earnings	$	194.1	174.3
Other comprehensive income, net of tax:
Foreign currency translation adjustments (net of tax of $0.00 in 2019 and 2018)	3.7		2.0
Comprehensive income	$	197.8	176.3

See accompanying Notes to Condensed Consolidated Financial Statements.

3

FASTENAL COMPANY AND SUBSIDIARIES

Condensed Consolidated Statements of Stockholders' Equity

(Amounts in millions except per share information)

	(Unaudited)
	Three Months Ended March 31,
	2019			2018
Common stock
Balance at beginning of period	$	2.9		2.9
Balance at end of period	2.9			2.9
Additional paid-in capital
Balance at beginning of period	3.0			8.5
Stock options exercised	18.1			3.8
Stock-based compensation	1.6			1.4
Balance at end of period	22.7			13.7
Retained earnings
Balance at beginning of period	2,341.6			2,110.6
Net earnings	194.1			174.3
Dividends paid in cash	(123.0		)	(106.4		)
Balance at end of period	2,412.7			2,178.5
Accumulated other comprehensive income (loss)
Balance at beginning of period	(44.8		)	(25.1		)
Other comprehensive income	3.7			2.0
Balance at end of period	(41.1		)	(23.1		)
Total stockholders' equity	$	2,397.2		2,172.0
Cash dividends declared per share of common stock	$	0.43		$	0.37

See accompanying Notes to Condensed Consolidated Financial Statements.

4

FASTENAL COMPANY AND SUBSIDIARIES

Condensed Consolidated Statements of Cash Flows

(Amounts in millions)

	(Unaudited)
	Three Months Ended March 31,
	2019			2018
Cash flows from operating activities:
Net earnings	$	194.1		174.3
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of property and equipment	35.4			32.4
(Gain) loss on sale of property and equipment	(0.3		)	0.4
Bad debt expense	2.0			1.3
Deferred income taxes	0.6			12.1
Stock-based compensation	1.6			1.4
Amortization of intangible assets	1.0			1.0
Changes in operating assets and liabilities:
Trade accounts receivable	(79.5		)	(82.4	)
Inventories	(13.5		)	(41.2	)
Other current assets	30.1			18.4
Accounts payable	(9.7		)	0.6
Accrued expenses	(8.0		)	5.7
Income taxes	50.7			35.6
Other	0.4			0.1
Net cash provided by operating activities	204.9			159.7
Cash flows from investing activities:
Purchases of property and equipment	(54.4		)	(31.5	)
Proceeds from sale of property and equipment	1.6			2.7
Other	0.1			(0.1	)
Net cash used in investing activities	(52.7		)	(28.9	)
Cash flows from financing activities:
Proceeds from debt obligations	210.0			180.0
Payments against debt obligations	(240.0		)	(190.0	)
Proceeds from exercise of stock options	18.1			3.8
Payments of dividends	(123.0		)	(106.4	)
Net cash used in financing activities	(134.9		)	(112.6	)
Effect of exchange rate changes on cash and cash equivalents	0.9			2.0
Net increase in cash and cash equivalents	18.2			20.2
Cash and cash equivalents at beginning of period	167.2			116.9
Cash and cash equivalents at end of period	$	185.4		137.1
Supplemental disclosure of cash flow information:
Cash paid for interest	$	4.0		2.7
Net cash paid for income taxes	$	11.7		9.6

See accompanying Notes to Condensed Consolidated Financial Statements.

5

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(1) Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Fastenal Company and subsidiaries (collectively referred to as the company, Fastenal, or by terms such as we, our, or us) have been prepared in accordance with U.S. generally accepted accounting principles ('GAAP') for interim financial information. They do not include all information and footnotes required by U.S. GAAP for complete financial statements. However, except as described herein, there has been no material change in the information disclosed in the Notes to Consolidated Financial Statements included in our consolidated financial statements as of and for the year ended December 31, 2018. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included.

Recently Adopted Accounting Pronouncements

Effective January 1, 2019, we adopted the Financial Accounting Standards Board ('FASB') Accounting Standards Update ('ASU') 2016-02, Leases, which requires the recognition of lease assets and lease liabilities by lessees for those leases classified as operating leases under previous guidance. The original guidance required application on a modified retrospective basis with the earliest period presented. In August 2018, the FASB issued ASU 2018-11, Targeted Improvements to ASC 842, which included an option to not restate comparative periods in transition and elect to use the effective date of ASC 842, Leases, as the date of initial application of transition, which we elected. As a result of the adoption of ASC 842 on January 1, 2019, we recorded both operating lease right-of-use ('ROU') assets of $227.5 and lease liabilities of $228.3. The adoption of ASC 842 had an immaterial impact on our Condensed Consolidated Statement of Earnings and Condensed Consolidated Statement of Cash Flows for the three-month period ended March 31, 2019. In addition, we elected the package of practical expedients permitted under the transition guidance within the new standard which allowed us to carry forward the historical lease classification.

Additional information and disclosures required by this new standard are contained in Note 5, 'Operating Leases'.

6

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(2) Revenue

Revenue Recognition

Net sales include products and shipping and handling charges, net of estimates for product returns and any related sales incentives. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. All revenue is recognized when we satisfy our performance obligations under the contract. We recognize revenue by transferring the promised products to the customer, with the majority of revenue recognized at the point in time the customer obtains control of the products. We recognize revenue for shipping and handling charges at the time the products are delivered to or picked up by the customer. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales incentives expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes and value added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Disaggregation of Revenue

Our revenues related to the following geographic areas were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
United States	$	1,124.8	1,028.5
All foreign countries	184.5		157.3
Total revenues	$	1,309.3	1,185.8

The percentages of our sales by end market were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
Manufacturing	67.8	%	67.7	%
Non-residential construction	12.7	%	12.7	%
Other	19.5	%	19.6	%
	100.0	%	100.0	%

The percentages of our sales by product line were as follows for the periods ended March 31:

		Three-month Period
Type	Introduced	2019		2018
Fasteners(1)	1967	34.8	%	35.0	%
Tools	1993	9.9	%	10.2	%
Cutting tools	1996	5.9	%	5.7	%
Hydraulics & pneumatics	1996	6.9	%	7.0	%
Material handling	1996	5.8	%	5.8	%
Janitorial supplies	1996	7.5	%	7.4	%
Electrical supplies	1997	4.7	%	4.8	%
Welding supplies	1997	4.1	%	4.2	%
Safety supplies	1999	17.2	%	16.8	%
Other		3.2	%	3.1	%
		100.0	%	100.0	%

⁽¹⁾ The fasteners product line represents fasteners and miscellaneous supplies.

7

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(3) Stockholders' Equity

Dividends

On April 10, 2019, our board of directors declared a dividend of $0.43 per share of common stock to be paid in cash on May 22, 2019 to shareholders of record at the close of business on April 24, 2019. Since 2011, we have paid quarterly dividends. Our board of directors intends to continue paying quarterly dividends, provided that any future determination as to payment of dividends will depend on the financial condition and results of operations of the company and such other factors as are deemed relevant by the board of directors.

The following table presents the dividends either paid previously or declared by our board of directors for future payment on a per share basis:

	2019		2018
First quarter	$	0.43	0.37
Second quarter	0.43		0.37
Third quarter			0.40
Fourth quarter			0.40
Total	$	0.86	1.54

Stock Options

The following tables summarize the details of options granted under our stock option plans that were still outstanding as of March 31, 2019, and the assumptions used to value these grants. All such grants were effective at the close of business on the date of grant.

	Options Granted	Option Exercise (Strike) Price		Closing Stock Price on Date of Grant		March 31, 2019
Date of Grant						Options Outstanding	Options Exercisable
January 2, 2019	658,462	$	52.00	$	51.41	657,118	14,505
January 2, 2018	543,968	$	55.00	$	54.54	519,349	21,185
January 3, 2017	764,789	$	47.00	$	46.95	646,854	206,755
April 19, 2016	845,440	$	46.00	$	45.74	668,947	185,055
April 21, 2015	893,220	$	42.00	$	41.26	575,476	142,607
April 22, 2014	955,000	$	56.00	$	50.53	445,900	266,900
April 16, 2013	205,000	$	54.00	$	49.25	74,435	42,567
April 17, 2012	1,235,000	$	54.00	$	49.01	643,713	534,963
April 19, 2011	410,000	$	35.00	$	31.78	38,650	26,150
Total	6,510,879					4,270,442	1,440,687

8

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

Date of Grant	Risk-free Interest Rate		Expected Life of Option in Years	Expected Dividend Yield		Expected Stock Volatility		Estimated Fair Value of Stock Option
January 2, 2019	2.5	%	5.00	2.9	%	23.96	%	$	8.79
January 2, 2018	2.2	%	5.00	2.3	%	23.45	%	$	10.03
January 3, 2017	1.9	%	5.00	2.6	%	24.49	%	$	8.40
April 19, 2016	1.3	%	5.00	2.6	%	26.34	%	$	8.18
April 21, 2015	1.3	%	5.00	2.7	%	26.84	%	$	7.35
April 22, 2014	1.8	%	5.00	2.0	%	28.55	%	$	9.57
April 16, 2013	0.7	%	5.00	1.6	%	37.42	%	$	12.66
April 17, 2012	0.9	%	5.00	1.4	%	39.25	%	$	13.69
April 19, 2011	2.1	%	5.00	1.6	%	39.33	%	$	11.20

All of the options in the tables above vest and become exercisable over a period of up to eight years. Generally, each option will terminate approximately nine years after the grant date.

The fair value of each share-based option is estimated on the date of grant using a Black-Scholes valuation method that uses the assumptions listed above. The risk-free interest rate is based on the U.S. Treasury rate over the expected life of the option at the time of grant. The expected life is the average length of time over which we expect the employee groups will exercise their options, which is based on historical experience with similar grants. The dividend yield is estimated over the expected life of the option based on our current dividend payout, historical dividends paid, and expected future cash dividends. Expected stock volatilities are based on the movement of our stock price over the most recent historical period equivalent to the expected life of the option.

Compensation expense equal to the grant date fair value is recognized for all of these awards over the vesting period. The stock-based compensation expense for the three-month periods ended March 31, 2019 and 2018 was $1.6 and $1.4, respectively. Unrecognized stock-based compensation expense related to outstanding unvested stock options as of March 31, 2019 was $17.0 and is expected to be recognized over a weighted average period of 4.28 years. Any future changes in estimated forfeitures will impact this amount.

Earnings Per Share

The following tables present a reconciliation of the denominators used in the computation of basic and diluted earnings per share and a summary of the options to purchase shares of common stock which were excluded from the diluted earnings per share calculation because they were anti-dilutive:

	Three-month Period
Reconciliation	2019	2018
Basic weighted average shares outstanding	286,086,301	287,642,801
Weighted shares assumed upon exercise of stock options	410,680	232,962
Diluted weighted average shares outstanding	286,496,981	287,875,763

	Three-month Period
Summary of Anti-dilutive Options Excluded	2019		2018
Options to purchase shares of common stock	1,454,355		1,616,963
Weighted average exercise prices of options	$	53.87	55.02

Any dilutive impact summarized above related to periods when the average market price of our stock exceeded the exercise price of the potentially dilutive stock options then outstanding.

9

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(4) Income Taxes

Fastenal files income tax returns in the United States federal jurisdiction, all states, and various local and foreign jurisdictions. With limited exceptions, we are no longer subject to income tax examinations by taxing authorities for taxable years before 2016 in the case of United States federal examinations, and 2014 in the case of foreign, state, and local examinations. During the first quarter of 2019, there were no material changes in unrecognized tax benefits.

(5) Operating Leases

We lease space under non-cancelable operating leases for several distribution centers, several manufacturing locations, and certain branch locations. These leases do not have significant rent escalation holidays, concessions, leasehold improvement incentives, or other build-out clauses. Further, the leases do not contain contingent rent provisions. We also lease certain semi-tractors, pick-up trucks, and computer equipment under operating leases. Many of our leases include both lease (e.g., fixed payments including rent, taxes, and insurance costs) and non-lease components (e.g., common-area or other maintenance costs) which are accounted for as a single lease component as we have elected the practical expedient to group lease and non-lease components for all leases. Our pick-up truck leases typically have a non-cancelable lease term of less than one year and therefore, we have elected the practical expedient to exclude these short-term leases from our ROU assets and lease liabilities.

Most leases include one or more options to renew. The exercise of lease renewal options is typically at our sole discretion; therefore, the majority of renewals to extend the lease terms are not included in our ROU assets and lease liabilities as they are not reasonably certain of exercise. We regularly evaluate the renewal options and when they are reasonably certain of exercise, we include the renewal period in our lease term.

As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the lease commencement date in determining the present value of the lease payments. We have a centrally managed treasury function; therefore, based on the applicable lease terms and the current economic environment, we apply a portfolio approach for determining the incremental borrowing rate.

Certain operating leases for pick-up trucks contain residual value guarantee provisions which would generally become due at the expiration of the operating lease agreement if the fair value of the leased vehicles is less than the guaranteed residual value. The aggregate residual value guarantee related to these leases was approximately $85.2. We believe the likelihood of funding the guarantee obligation under any provision of the operating lease agreements is remote. To the extent our fleet contains vehicles we estimate will settle at a gain, such gains on these vehicles will be recognized when we sell the vehicle.

The cost components of our operating leases were as follows for the period ended March 31, 2019:

	Three-month Period
	Leased Facilities and Equipment		Leased Vehicles	Total
Operating lease cost	$	25.7	3.1	28.8
Variable lease cost	3.3		0.4	3.7
Short-term lease cost	—		7.3	7.3
Total	$	29.0	10.8	39.8

Variable lease costs consist primarily of taxes, insurance, and common area or other maintenance costs for our leased facilities and equipment which are paid based on actual costs incurred by the lessor as well as variable mileage costs related to our leased vehicles.

10

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

Maturities of our lease liabilities for all operating leases are as follows as of March 31, 2019:

	Leased Facilities and Equipment			Leased Vehicles		Total
2019	$	66.0		8.0		74.0
2020	68.5			7.1		75.6
2021	43.5			2.9		46.4
2022	22.7			0.7		23.4
2023	10.7			0.2		10.9
2024 and thereafter	3.8			0.2		4.0
Total lease payments	$	215.2		19.1		234.3
Less: Interest	(11.4		)	(0.7	)	(12.1	)
Present value of lease liabilities	$	203.8		18.4		222.2

The weighted average remaining lease terms and discount rates for all of our operating leases were as follows as of March 31, 2019:

Remaining lease term and discount rate:	March 31, 2019
Weighted average remaining lease term (years)
Leased facilities and equipment	3.14
Leased vehicles	2.24
Weighted average discount rate
Lease facilities and equipment	3.57%
Leased vehicles	3.48%

Supplemental cash flow information related to our operating leases was as follows for the period ended March 31, 2019:

	Three-month Period
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$	28.4
Leased assets obtained in exchange for new operating lease liabilities	21.8

11

FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(6) Debt Commitments

Credit Facility, Notes Payable, Industrial Revenue Bonds, and Commitments

Debt obligations and letters of credit outstanding at the end of each period consisted of the following:

	March 31, 2019			December 31, 2018
Outstanding loans under unsecured revolving credit facility	$	335.0		365.0
2.00% Senior unsecured promissory note payable	40.0			40.0
2.45% Senior unsecured promissory note payable	35.0			35.0
3.22% Senior unsecured promissory note payable	60.0			60.0
Industrial revenue bonds	19.0			—
Total debt	489.0			500.0
Less: Current portion of debt	(4.4		)	(3.0	)
Long-term debt	$	484.6		497.0
Outstanding letters of credit under unsecured revolving credit facility - contingent obligation	$	36.3		36.3

Unsecured Revolving Credit Facility

We have a $700.0 committed unsecured revolving credit facility ('Credit Facility'). The Credit Facility includes a committed letter of credit subfacility of $55.0. The commitments under the Credit Facility will expire (and any borrowings outstanding under the Credit Facility will become due and payable) on November 30, 2023. In the next twelve months, we have the ability and intent to repay a portion of the outstanding loans using cash; therefore, we have classified this portion as a current liability. The Credit Facility contains certain financial and other covenants, and our right to borrow under the Credit Facility is conditioned upon, among other things, our compliance with these covenants. We are currently in compliance with these covenants.

Borrowings under the Credit Facility generally bear interest at a rate per annum equal to the London Interbank Offered Rate ('LIBOR') for interest periods of various lengths selected by us, plus 0.95%. Based on the interest periods we have chosen, our weighted per annum interest rate at March 31, 2019 was approximately 3.4%. We pay a commitment fee for the unused portion of the Credit Facility. This fee is either 0.10% or 0.125% per annum based on our usage of the Credit Facility.

Senior Unsecured Promissory Notes Payable

We have issued senior unsecured promissory notes under our master note agreement (the 'Master Note Agreement') in the aggregate principal amount of $135.0. Our aggregate borrowing capacity under the Master Note Agreement is $600.0; however, none of the institutional investors party to that agreement are committed to purchase notes thereunder.

The notes currently issued under our Master Note Agreement consist of three series. The first is in an aggregate principal amount of $40.0, bears interest at a fixed rate of 2.00% per annum, and is due and payable on July 20, 2021. The second is in an aggregate principal amount of $35.0, bears interest at a fixed rate of 2.45% per annum, and is due and payable on July 20, 2022. The third is in an aggregate principal amount of $60.0, bears interest at a fixed rate of 3.22% per annum, and is due and payable on March 1, 2024. There is no amortization of these notes prior to their maturity date and interest is payable quarterly.

Industrial Revenue Bonds

We have been expanding our office and distribution facility at our Kansas City, Kansas location and financed the expansion of this facility under two Industrial Revenue Bonds ('IRBs') with an aggregate principal amount of $19.0. We subsequently purchased 100% of the outstanding bonds under the IRBs at par and under the IRB debt agreement, we have the right of offset. Accordingly, the impact of the IRB has been reflected as a non-cash transaction in the Condensed Consolidated Statement of Cash Flows for the three months ended March 31, 2019. The purchase of the $19.0 of outstanding IRBs is included in other assets and the $19.0 debt obligation is included in long-term debt on the Condensed Consolidated Balance Sheet as of March 31, 2019.

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FASTENAL COMPANY AND SUBSIDIARIES

Notes to Condensed Consolidated Financial Statements

(Amounts in millions except share and per share information and where otherwise noted)

March 31, 2019 and 2018

(Unaudited)

(7) Legal Contingencies

The nature of our potential exposure to legal contingencies is described in our 2018 annual report on Form 10-K in Note 10 of the Notes to Consolidated Financial Statements. As of March 31, 2019, there were no litigation matters that we consider to be probable or reasonably possible to have a material adverse outcome.

(8) Subsequent Events

We evaluated all subsequent event activity and concluded that no subsequent events have occurred that would require recognition in the condensed consolidated financial statements or disclosure in the Notes to Condensed Consolidated Financial Statements, with the exception of the dividend declaration disclosed in Note 3 'Stockholders' Equity'.

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ITEM 2 — MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following is management's discussion and analysis of certain significant factors which have affected our financial position and operating results during the periods included in the accompanying condensed consolidated financial statements. Dollar amounts are stated in millions except for share and per share amounts and where otherwise noted. Throughout this document, percentage and dollar change calculations, which are based on non-rounded dollar values, may not be able to be recalculated using the dollar values in this document due to the rounding of those dollar values.

Business

Fastenal is a North American leader in the wholesale distribution of industrial and construction supplies. We distribute these supplies through a network of over 3,100 in-market locations. Most of our customers are in the manufacturing and non-residential construction markets. The manufacturing market includes both original equipment manufacturers (OEM) and maintenance, repair, and operations (MRO). The non-residential construction market includes general, electrical, plumbing, sheet metal, and road contractors. Other users of our products include farmers, truckers, railroads, oil exploration, production, and refinement companies, mining companies, federal, state, and local governmental entities, schools, and certain retail trades. Geographically, our branches and customers are primarily located in North America.

Our motto is Growth through Customer Service^®.We are a growth-centric organization focused on identifying 'drivers' that allow us to get closer to our customers and gain market share in what we believe remains a fragmented industrial distribution market. Our growth drivers have evolved and changed, and can be expected to continue to evolve and change, over time.

Executive Overview

Net sales increased $123.6, or 10.4%, in the first quarter of 2019 relative to the first quarter of 2018. Our gross profit as a percentage of net sales declined to 47.7% in the first quarter of 2019 from 48.7% in the first quarter of 2018. Our operating income, as a percentage of net sales, improved to 20.0% in the first quarter of 2019 from 19.8% in the first quarter of 2018. Our net earnings during the first quarter of 2019 were $194.1, an increase of 11.4% when compared to the first quarter of 2018. Our diluted net earnings per share were $0.68 during the first quarter of 2019 comparedto $0.61during thefirst quarter of 2018.

We continue to focus on our growth drivers. During thefirst quarter of 2019, we signed 59 new national account contracts (defined as new customer accounts with a multi-site contract). Additionally, we signed 105 new Onsite customer locations (defined as dedicated sales and service provided from within, or in close proximity to, the customer's facility) and 5,603 new industrial vending devices in the first quarter of 2019.

The table below summarizes our total employee headcount, our investments in in-market locations (defined as the sum of the total number of public branch locations and the total number of active Onsite locations), and industrial vending devices at the end of the periods presented and the percentage change compared to the end of the prior periods.

			Change Since:			Change Since:
	Q1 2019	Q4 2018	Q4 2018		Q1 2018	Q1 2018
In-market locations- absolute employee headcount (1)	14,336	14,015	2.3	%	13,745	4.3	%
Total absolute employee headcount (1)	22,205	21,644	2.6	%	21,002	5.7	%
Number of public branch locations	2,187	2,227	-1.8	%	2,329	-6.1	%
Number of active Onsite locations	945	894	5.7	%	678	39.4	%
Number of in-market locations	3,132	3,121	0.4	%	3,007	4.2	%
Industrial vending devices (installed count) (2)	83,410	81,137	2.8	%	73,561	13.4	%
Ratio of industrial vending devices to in-market locations	27:1	26:1			24:1

⁽¹⁾ In materials released on January 17, 2019 related to our fourth quarter and full year 2018 earnings results, we undercounted our total employees by 25. We corrected this in the table above.

⁽²⁾ This number primarily represents devices which principally dispense product and produce product revenues, and excludes slightly more than 15,000 devices that are part of a locker lease program where the devices are principally used for the check-in/check-out of equipment.

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During the last twelve months, we increased our absolute employee headcount by 591 people in our in-market locations and 1,203 people in total. The increase is mostly a function of additions we have made to support customer growth in the field as well as investments in our growth drivers.

We opened three branches in the first quarter of 2019 and closed 42 branches. One branch was converted from a public branch to a non-public location. We activated 66 Onsite locations in the first quarter of 2019 and closed 15. Our in-market network forms the foundation of our business strategy, and we will continue to open or close locations as is deemed necessary to sustain and improve our network, support our growth drivers, and manage our operating expenses.

Results of Operations

The following sets forth condensed consolidated statement of earnings information (as a percentage of net sales) for the periods ended March 31:

	Three-month Period
	2019		2018
Net sales	100.0	%	100.0	%
Gross profit	47.7	%	48.7	%
Operating and administrative expenses	27.8	%	28.9	%
(Gain) loss on sale of property and equipment	0.0	%	0.0	%
Operating income	20.0	%	19.8	%
Net interest expense	-0.3	%	-0.2	%
Earnings before income taxes	19.7	%	19.6	%
Note – Amounts may not foot due to rounding difference.

Net Sales

Daily sales are defined as the total net sales for the period divided by the number of business days (in the United States) in the period. The table below sets forth net sales and daily sales for the periods ended March 31, and changes in such sales from the prior period to the more recent period:

	Three-month Period
	2019			2018
Net sales	$	1,309.3		1,185.8
Percentage change	10.4		%	13.2	%
Business days	63			64
Daily sales	$	20.8		18.5
Percentage change	12.2		%	13.2	%
Daily sales impact of currency fluctuations	-0.5		%	0.5	%
Daily sales impact of acquisitions	0.1		%	1.3	%

The increase in net sales noted above for both 2019 and 2018 was driven primarily by higher unit sales and, to a lesser degree, higher prices to mitigate the effect of general inflation and tariffs in the marketplace. These positive factors were slightly offset by adverse weather across many of our northern regions in both periods that created temporary disruptions in activity and reduced sales by an estimated 65 to 85 basis points in the first quarter of 2019 and 50 to 70 basis points in the first quarter of 2018. In both periods, the higher unit sales resulted primarily from two sources.

The first source is continued strength in underlying market demand. The Purchasing Managers Index, published by the Institute for Supply Chain Management, averaged 55.4 in the first quarter of 2019 and 57.0 in the fourth quarter of 2018. Readings above 50 are indicative of growing demand, and the state of this gauge over the last six months has favorably influenced our unit sales. Fasteners are our most cyclical product line, and daily sales grew 11.8% in the first quarter of 2019 over the first quarter of 2018. We also experienced growth in sales to 81 of our top 100 customers in the first quarter of 2019, which compares to growth in sales to 78 of our top 100 customers in the first quarter of 2018. These metrics describe healthy general industrial activity in our markets. The exception to this otherwise favorable backdrop is oil and gas. We do not view the softness that has emerged in oil and gas as deep by the standards of this market, but it has broadened across our regions in recent months.

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The second source is success within our growth initiatives. Of the most impactful:

• We signed 5,603 industrial vending devices during the first quarter of 2019. Our installed device count on March 31, 2019 was 83,410, an increase of 13.4% over March 31, 2018. Sales through our vending devices grew at a high-teens pace in the first quarter of 2019 over the first quarter of 2018 due primarily to the increase in the installed base. These device counts do not include slightly more than 15,000 vending devices deployed as part of a lease locker program. Our goal for vending device signings in 2019 remains 23,000 to 25,000 units.

• We signed 105 new Onsite locations during the first quarter of 2019. We had 945 active sites on March 31, 2019, which represented an increase of 39.4% from March 31, 2018. Sales through our Onsite locations, excluding sales transferred from branches to new Onsites, grew at a better than 20% pace in the first quarter of 2019 over the first quarter of 2018. Our goal for Onsite signings in 2019 remains 375 to 400.

• We signed 59 new national account contracts during the first quarter of 2019. Daily sales from our national account customers grew 16.9% in the first quarter of 2019 over the first quarter of 2018.

• We experienced daily sales growth in our construction end market of 13.1% during the first quarter of 2019 over the first quarter of 2018.

We have implemented a number of pricing actions that are influencing the current period. We instituted a broad round of product price increases at the end of the fourth quarter of 2017 followed by a second, more limited, round at the end of the second quarter of 2018. In the first quarter of 2019, we began to realize contributions from additional pricing actions taken in response to 10% tariffs that were levied on certain Chinese goods by the United States in September 2018. These tariffs affect a meaningful number of our products both directly as a result of the tariffs, and indirectly as a result of this action's effect on generalized inflation. Price increases were aimed at mitigating the impact of product inflation in the marketplace and represent a lesser contributor to our sales growth thus far in 2019 relative to the market and growth driver impacts described above. We estimate the contribution of price increases to sales growth in the first quarter of 2019 was 90 to 120 basis points and 20 to 50 basis points in the first quarter of 2018. We revised the impact of pricing on first quarter 2018 results from our original 50 to 100 basis point estimate based on a review of our methodology conducted during the fourth quarter of 2018. We will continue to evaluate marketplace conditions and implement incremental pricing actions or strategies as the need arises.

Sales by Product Line

The approximate mix of sales from our fastener product line and from our other product lines was as follows for the periods ended March 31:

	Three-month Period
	2019		2018
Fastener product line	34.8	%	35.0	%
Other product lines	65.2	%	65.0	%
	100.0	%	100.0	%

Gross Profit

Our gross profit, as a percentage of net sales, was 47.7% in the first quarter of 2019 and 48.7% in the first quarter of 2018. We believe the decline in gross profit during this period is primarily due to four items. First, from the first quarter of 2018 to the first quarter of 2019, our daily sales of fasteners products grew 11.8% while our daily sales of non-fastener products grew 12.7%. Fasteners are our largest product line at 34.8% of sales and our highest gross profit margin product line due to the high transaction cost surrounding the sourcing and supply of the product for our customers. Over the same period, larger customers, for which national accounts are a good proxy and whose more focused buying patterns allow us to offer them better pricing, grew faster than smaller customers. Relatively slower growth in the first quarter of 2019 in our fastener line (product mix) with relatively faster growth in sales to our largest customers (customer mix) pushed our gross profit margin lower. Second, while we have been successful in raising prices, these increases have lagged behind the rise in product costs over the same period, creating a price/cost deficit that pushes our gross profit margin lower. Third, rising costs related to transporting products, particularly shipping fees and driver wages, caused our freight expense to rise faster than sales, hurting our gross profit margin. We operate our own truck fleet for moving product between suppliers, our distribution centers, and our in-market locations, so rising transportation costs adversely impact our gross profit margin if we are unable to pass these costs to our customers. Fourth, net rebates have not risen at the same rate as sales as we implement inventory control programs and sell through product that we accelerated into the United States from China ahead of a potential tariff increases in the fourth quarter of 2018. This has the effect of reducing our gross profit margin.

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Operating and Administrative Expenses

Our operating and administrative expenses (including the (gain) loss on sales of property and equipment), as a percentage of net sales, improved to 27.8% in the first quarter of 2019 compared to 28.9% in the first quarter of 2018. The primary contributors to this improvement were relatively lower growth in employee-related and occupancy-related expenses.

The growth in employee-related, occupancy-related, and all other operating and administrative expenses (including the (gain) loss on sales of property and equipment) compared to the same periods in the preceding year, is outlined in the table below.

	Approximate Percentage of Total Operating and Administrative Expenses	Three-month Period
		2019
Employee-related expenses	65% to 70%	7.1	%
Occupancy-related expenses	15% to 20%	2.3	%
All other operating and administrative expenses	15% to 20%	4.9	%

Employee-related expenses include: (1) payroll (which includes cash compensation, stock option expense, and profit sharing), (2) health care, (3) personnel development, and (4) social taxes. Our employee-related expenses increased in the first quarter of 2019. This was primarily related to: (1) an increase in our full-time equivalent ('FTE') headcount, (2) moderate increases in hourly base wages, (3) higher bonuses and commissions due to growth in net sales and net earnings, and (4) higher profit sharing expense.

The table below summarizes our FTE headcount at the end of the periods presented and the percentage change compared to the end of the prior periods:

			Change Since:			Change Since:
	Q1	Q4	Q4		Q1	Q1
	2019	2018 (1)	2018		2018	2018
In-market locations	12,482	12,211	2.2	%	11,878	5.1	%
Total selling (includes in-market locations)	14,227	13,943	2.0	%	13,595	4.6	%
Distribution	2,923	2,834	3.1	%	2,598	12.5	%
Manufacturing	700	693	1.0	%	637	9.9	%
Administrative	1,275	1,234	3.3	%	1,174	8.6	%
Total	19,125	18,704	2.3	%	18,004	6.2	%

⁽¹⁾ In materials released on January 17, 2019 related to our fourth quarter and full year 2018 earnings results, we undercounted our total employees by 25. We corrected this in the table above.

Occupancy-related expenses include: (1) building rent and depreciation, (2) building utility costs, (3) equipment related to our branches and distribution locations, and (4) industrial vending equipment (we consider the vending equipment, excluding leased locker equipment, to be an extension of our in-market operations and classify the depreciation and repair costs as occupancy expense). The increase in occupancy-related expenses in the first quarter of 2019, when compared to the first quarter of 2018, was mainly driven by increases in expenses related to industrial vending equipment, as facility costs were essentially flat, with an increase in non-branch occupancy expenses being mostly offset by a decline in branch occupancy expenses.

All other operating and administrative expenses include: (1) selling-related transportation, (2) information technology expenses, (3) general corporate expenses, which consists of legal expenses, general insurance expenses, travel and

marketing expenses, etc., and (4) the (gain) loss on sales of property and equipment. Combined, all other operating and administrative expenses increased in the first quarter of 2019 when compared to the first quarter of 2018 due to (1) higher spending on information technology and (2) higher expenses related to legal settlements and a bad debt write-off. Selling-related transportation costs were roughly flat year over year.

Net Interest Expense

Our net interest expense was $3.9 in the first quarter of 2019 and $2.7 in the first quarter of 2018. This increase was mainly caused by higher average interest rates and a higher average debt balance during the period.

Income Taxes

We recorded income tax expense of $63.4 in the first quarter of 2019, or 24.6% of earnings before income taxes. Income tax

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expense was $57.6 in the first quarter of 2018, or 24.8% of earnings before income taxes. We continue to believe our ongoing tax rate, absent any discrete tax items, will be in the 24.5% to 25.0% range.

Net Earnings

Our net earnings during the first quarter of 2019 were $194.1, an increase of 11.4% when compared to the first quarter of 2018. Our diluted net earnings per share were $0.68 during the first quarter of 2019 compared to $0.61 during the first quarter of 2018.

Liquidity and Capital Resources

Cash flow activity was as follows for the periods ended March 31:

	Three-month Period
	2019			2018
Net cash provided by operating activities	$	204.9		159.7
Percentage of net earnings	105.6		%	91.6	%
Net cash used in investing activities	$	52.7		28.9
Net cash used in financing activities	$	134.9		112.6

Net Cash Provided by Operating Activities

Net cash provided by operating activities increased in the first quarter of 2019 relative to the first quarter of 2018, primarily due to growth in net earnings and a reduced drag from working capital investment relative to what was experienced in the first quarter of 2018.

The dollar and percentage change in accounts receivable, net and inventories from March 31, 2018 to March 31, 2019 were as follows:

	March 31			Twelve-month Dollar Change		Twelve-month Percentage Change
	2019		2018	2019		2019
Accounts receivable, net	$	793.0	688.6	$	104.4	15.2	%
Inventories	1,293.9		1,134.9	159.0		14.0	%
Total	$	2,086.9	1,823.5	$	263.4	14.4	%
Net sales in last two months	$	862.4	791.4	$	71.0	9.0	%

Note - Amounts may not foot due to rounding difference.

The growth in our net accounts receivable from March 31, 2018 to March 31, 2019 reflects sustained strong growth in sales combined with relatively stronger growth of our national accounts and our international business, each of which tend to have longer payment terms than our business as a whole. In any given period and over time, the strong growth of our international business and of our large customer accounts can result in faster growth in receivables relative to net sales growth. Growth in net accounts receivable in the period was also impacted by the timing of customers' payments late in the quarter, a trend that began in the fourth quarter of 2017 and has intensified since that time period. Based on the aging of our receivables, there has been no erosion in the quality of our receivables.

The increase in inventory from March 31, 2018 to March 31, 2019 was primarily to support healthy business activity and sales growth, including a large increase in the number of installed vending devices and active Onsite locations, and inflation and tariffs. These factors were partly offset by lower purchasing as a result of our working through foreign-sourced inventory that had been accelerated into the United States in the fourth quarter of 2018 and programs intended to improve our inventory efficiency.

Net Cash Used in Investing Activities

Net cash used in investing activities increased from the first quarter of 2018 to the first quarter of 2019. This was due to higher spending on property, plant and equipment. During the first quarter of 2019, our net capital expenditures were $52.8, which is an increase of 83.3% from the first quarter of 2018. Capital expenditures in the first three months of 2019 and 2018 consisted of: (1) the purchase of software and hardware for our information processing systems, (2) the addition of fleet vehicles, (3) the purchase of signage, shelving, and other fixed assets related to branch locations and Onsite activations, (4) the addition of

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manufacturing and warehouse property and equipment, including automation systems equipment, (5) the expansion or improvement of certain owned or leased branch properties, and (6) purchases related to industrial vending. Of these factors, items (4) and (6) had the greatest impact on our capital expenditures in the first quarter of 2019. Disposals of property and equipment consisted of the planned disposition of certain pick-up trucks, as well as distribution vehicles and trailers, in the normal course of business.

Cash requirements for capital expenditures were satisfied from cash generated from operations, available cash and cash equivalents, our borrowing capacity, and the proceeds of disposals. We continue to anticipate net capital expenditures in 2019 to be within a range of $195.0 to $225.0, growth from 2018 of between $28.2 and $58.2, and 16.9% and 34.9%. This increase is a result of higher spending for property and equipment to expand our hub capacity, vending devices, and hub vehicles, with our investments in hub capacity likely to be the primary determinant of where we fall within our range.

Net Cash Used in Financing Activities

Net cash used in financing activities in the first quarters of both 2019 and 2018 consisted of payments of dividends and payments against debt obligations, which were partially offset by proceeds from the exercise of stock options and proceeds from debt obligations. During the first quarters of 2019 and 2018, we did not purchase any shares of our common stock. We currently have authority to purchase up to 2,400,000 additional shares of our common stock. An overview of our dividends paid or declared in 2019 and 2018 is contained in Note 3 of the Notes to Condensed Consolidated Financial Statements.

Critical Accounting Policies and Estimates – A discussion of our critical accounting policies and estimates is contained in our 2018 annual report on Form 10-K.

Recently Issued and Adopted Accounting Pronouncements – A description of recently adopted accounting pronouncements is contained in Note 1 of the Notes to Condensed Consolidated Financial Statements.

Certain Contractual Obligations – A discussion of the nature and amount of certain of our contractual obligations is contained in our 2018 annual report on Form 10-K. That portion of total debt outstanding under our Credit Facility, notes payable, and industrial revenue bonds classified as long-term, and the maturity of that debt, is described earlier in Note 6 of the Notes to Condensed Consolidated Financial Statements.

Certain Risks and Uncertainties – Certain statements contained in this document do not relate strictly to historical or current facts. As such, they are considered 'forward-looking statements' that provide current expectations or forecasts of future events. These forward-looking statements are made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Such statements can be identified by the use of terminology such as anticipate, believe, should, estimate, expect, intend, may, will, plan, goal, project, hope, trend, target, opportunity, and similar words or expressions, or by references to typical outcomes. Any statement that is not a purely historical fact, including estimates, projections, trends, and the outcome of events that have not yet occurred, is a forward-looking statement. Our forward-looking statements generally relate to our expectations regarding the business environment in which we operate, our projections of future performance, our perceived marketplace opportunities, our strategies, goals, mission and vision, and our expectations related to future capital expenditures and the impact of price increases on overall sales growth. You should understand that forward-looking statements involve a variety of risks and uncertainties, known and unknown, and may be affected by inaccurate assumptions. Consequently, no forward-looking statement can be guaranteed and actual results may vary materially. Factors that could cause our actual results to differ from those discussed in the forward-looking statements include, but are not limited to, economic downturns, weakness in the manufacturing or commercial construction industries, competitive pressure on selling prices, changes in our current mix of products, customers, or geographic locations, changes in our average branch size, changes in our purchasing patterns, changes in customer needs, changes in fuel or commodity prices, inclement weather, changes in foreign currency exchange rates, difficulty in adapting our business model to different foreign business environments, failure to accurately predict the market potential of our business strategies, the introduction or expansion of new business strategies, weak acceptance or adoption of our vending or Onsite business models, increased competition in industrial vending or Onsite, difficulty in maintaining installation quality as our industrial vending business expands, the leasing to customers of a significant number of additional industrial vending devices, the failure to meet our goals and expectations regarding branch openings, branch closings, or expansion of our industrial vending or Onsite operations, changes in the implementation objectives of our business strategies, difficulty in hiring, relocating, training, or retaining qualified personnel, difficulty in controlling operating expenses, difficulty in collecting receivables or accurately predicting future inventory needs, dramatic changes in sales trends, changes in supplier production lead times, changes in our cash position or our need to make capital expenditures, credit market volatility, changes in tax law or the impact of any such changes on future tax rates, changes in tariffs or the impact of any such changes on our financial results, changes in the availability or price of commercial real estate, changes in the nature, price, or availability of distribution, supply chain, or other technology (including software licensed from third parties) and services related to that technology, cyber-security incidents, potential liability and reputational damage that can arise if our products are

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defective, difficulties measuring the contribution of price increases on sales growth, and other risks and uncertainties detailed in our filings with the Securities and Exchange Commission, including our most recent annual and quarterly reports. Each forward-looking statement speaks only as of the date on which such statement is made, and we undertake no obligation to update any such statement to reflect events or circumstances arising after such date.

ITEM 3 — QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISKS

We are exposed to certain market risks from changes in foreign currency exchange rates, commodity steel pricing, commodity energy prices, and interest rates. Changes in these factors cause fluctuations in our earnings and cash flows. We evaluate and manage exposure to these market risks as follows:

Foreign currency exchange rates – Foreign currency fluctuations can affect our net investments, our operations in countries other than the U.S., and earnings denominated in foreign currencies. Historically, our primary exchange rate exposure has been with the Canadian dollar against the United States dollar. We have not historically hedged our foreign currency risk given that exposure to date has not been material. In the first quarter of 2019 a change in foreign currency exchange rates reduced our reported sales by $6.9 with the estimated effect on our net earnings being immaterial.

Commodity steel pricing – We buy and sell various types of steel products; these products consist primarily of different types of threaded fasteners. We are exposed to the impacts of commodity steel pricing and our related ability to pass through the impacts to our end customers. In the first quarter of 2019, we have seen continued inflation in overall steel pricing.

Commodity energy prices – We have market risk for changes in prices of oil, gasoline, diesel fuel, natural gas, and electricity. Rising costs for these commodities can produce higher fuel costs for our hub and field-based vehicles and utility costs for our in-market locations, distribution centers, and manufacturing facilities. Fossil fuels are also often a key feedstock for chemicals and plastics that comprise a key raw material for many products that we sell. We believe that over time these risks are mitigated in part by our ability to pass freight and product costs to our customers, the efficiency of our trucking distribution network, and the ability, over time, to manage our occupancy costs related to the heating and cooling of our facilities through better efficiency. Our estimated net earnings exposure for commodity energy prices was not material in the first quarter of 2019.

Interest rates - Loans under our Credit Facility bear interest at floating rates tied to LIBOR (or, if LIBOR is no longer available, at a replacement rate to be determined by the administrative agent for the Credit Facility and consented to by us). As a result, changes in LIBOR can affect our operating results and liquidity to the extent we do not have effective interest rate swap arrangements in place. We have not historically used interest rate swap arrangements to hedge the variable interest rates under our Credit Facility. A one percentage point increase in LIBOR in the first three months of 2019 would have resulted in approximately $0.9 of additional interest expense. A description of our Credit Facility is contained in Note 6 of the Notes to Condensed Consolidated Financial Statements.

ITEM 4 — CONTROLS AND PROCEDURES

Evaluation of Disclosure Controls and Procedures – As of the end of the period covered by this report, we conducted an evaluation, under the supervision and with the participation of the principal executive officer and principal financial officer, of our disclosure controls and procedures (as defined in Rules 13a-15(e) and 15d-15(e) under the Securities Exchange Act of 1934 (the 'Securities Exchange Act')). Based on this evaluation, the principal executive officer and principal financial officer concluded that our disclosure controls and procedures are effective to ensure that information required to be disclosed by us in reports that we file or submit under the Securities Exchange Act is recorded, processed, summarized, and reported within the time periods specified in SEC rules and forms, and is accumulated and communicated to our management, including the principal executive officer and principal financial officer, to allow for timely decisions regarding disclosure. There was no change in our internal control over financial reporting during our most recently completed fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

Changes in Internal Control Over Financial Reporting – Beginning January 1, 2019, we implemented ASU 2016-02, Leases. Although the adoption of the new accounting standard did not have a material impact on our Condensed Consolidated Statement of Earnings or Condensed Consolidated Statement of Cash Flows for the three-month period ended March 30, 2019, we did implement changes to our internal controls related to the implementation of the lease accounting standard. These changes included performing a comprehensive lease scoping analysis to identify, disaggregate and evaluate each of our lease categories and implementing a new information technology application to calculate ROU assets and lease liabilities values for our leases. There were no other changes in our internal control over financial reporting during our most recently completed fiscal quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

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PART II — OTHER INFORMATION

ITEM 1 — LEGAL PROCEEDINGS

A description of our legal proceedings, if any, is contained in Note 7 of the Notes to Condensed Consolidated Financial Statements. The description of legal proceedings, if any, in Note 7 is incorporated herein by reference.

ITEM 1A — RISK FACTORS

The significant factors known to us that could materially adversely affect our business, financial condition, or operating results are described in Item 2 of Part I above and in our most recently filed annual report on Form 10-K under Forward-Looking Statements and Item 1A – Risk Factors. There has been no material change in those risk factors.

ITEM 2 — UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS

Issuer Purchases of Equity Securities

The table below sets forth information regarding purchases of our common stock during the first quarter of 2019:

	(a)		(b)		(c)		(d)
Period	Total Number of Shares Purchased		Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs (1)		Maximum Number (or Approximate Dollar Value) of Shares that May Yet Be Purchased Under the Plans or Programs (1)
January 1-31, 2019		0		$0.00		0		2,400,000
February 1-28, 2019		0		$0.00		0		2,400,000
March 1-31, 2019		0		$0.00		0		2,400,000
Total		0		$0.00		0		2,400,000

(1) On July 11, 2017, our board of directors established a new authorization for us to repurchase up to 5,000,000 shares of our common stock. As of March 31, 2019, we had remaining authority to repurchase 2,400,000 shares under this authorization.

ITEM 6 — EXHIBITS

INDEX TO EXHIBITS

Exhibit Number	Description of Document
3.1	Restated Articles of Incorporation of Fastenal Company, as amended (incorporated by reference to Exhibit 3.1 to Fastenal Company's Form 10-Q for the quarter ended March 31, 2012 (file no. 000-16125))
3.2	Restated By-Laws of Fastenal Company (incorporated by reference to Exhibit 3.2 to Fastenal Company's Form 8-K dated as of January 17, 2019 (file no. 000-16125))
31	Certifications under Section 302 of the Sarbanes-Oxley Act of 2002
32	Certification under Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	XBRL Instance Document
101.SCH	XBRL Taxonomy Extension Schema Document
101.CAL	XBRL Taxonomy Calculation Linkbase Document
101.DEF	XBRL Taxonomy Definition Linkbase Document
101.LAB	XBRL Taxonomy Label Linkbase Document
101.PRE	XBRL Taxonomy Presentation Linkbase Document

21

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

		FASTENAL COMPANY
Date: April 16, 2019	By:	/s/ Holden Lewis
		Holden Lewis
		Executive Vice President and Chief Financial Officer
		(Principal Financial Officer)
Date: April 16, 2019	By:	/s/ Sheryl A. Lisowski
		Sheryl A. Lisowski
		Controller, Chief Accounting Officer, and
		Treasurer (Duly Authorized Officer)

22

EX-31

Exhibit 31

CERTIFICATIONS

I, Daniel L. Florness, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Fastenal Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: April 16, 2019	/s/ Daniel L. Florness
	Daniel L. Florness
	President and Chief Executive Officer
	(Principal Executive Officer)

Exhibit 31 (continued)

CERTIFICATIONS

I, Holden Lewis, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Fastenal Company;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant’s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of registrant’s board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date: April 16, 2019	/s/ Holden Lewis
	Holden Lewis
	Executive Vice President and Chief Financial Officer
	(Principal Financial Officer)

EX-32

Exhibit 32

CERTIFICATION UNDER SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned certifies that this periodic report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in this periodic report fairly presents, in all material respects, the financial condition and results of operations of Fastenal Company.

A signed original of this written statement required by Section 906 has been provided to Fastenal Company and will be retained by Fastenal Company and furnished to the Securities and Exchange Commission or its staff upon request.

Date: April 16, 2019
/s/ Daniel L. Florness	/s/ Holden Lewis
Daniel L. Florness	Holden Lewis
President and Chief Executive Officer	Executive Vice President and Chief Financial Officer
(Principal Executive Officer)	(Principal Financial Officer)

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Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2019	Apr. 10, 2019
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q1
Trading Symbol	fast
Entity Registrant Name	FASTENAL CO
Entity Central Index Key	0000815556
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Entity Emerging Growth Company	false
Entity Small Business	false
Entity Common Stock, Shares Outstanding		286,314,823

XML

Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 185.4	$ 167.2
Trade accounts receivable, net of allowance for doubtful accounts of $11.8 and $12.8, respectively	793.0	714.3
Inventories	1,293.9	1,278.7
Prepaid income taxes	0.0	9.0
Other current assets	116.9	147.0
Total current assets	2,389.2	2,316.2
Property and equipment, net	943.3	924.8
Operating lease right-of-use assets	220.9	0.0
Other assets	98.4	80.5
Total assets	3,651.8	3,321.5
Current liabilities:
Current portion of debt	4.4	3.0
Accounts payable	183.9	193.6
Accrued expenses	232.8	240.8
Current portion of operating lease liabilities	91.8	0.0
Income taxes payable	41.7	0.0
Total current liabilities	554.6	437.4
Long-term debt	484.6	497.0
Operating lease liabilities	130.4	0.0
Deferred income taxes	85.0	84.4
Stockholders' equity:
Preferred stock: $0.01 par value, 5,000,000 shares authorized, no shares issued or outstanding	0.0	0.0
Common stock: $0.01 par value, 400,000,000 shares authorized, 286,265,537 and 285,901,919 shares issued and outstanding, respectively	2.9	2.9
Additional paid-in capital	22.7	3.0
Retained earnings	2,412.7	2,341.6
Accumulated other comprehensive loss	(41.1)	(44.8)
Total stockholders' equity	2,397.2	2,302.7
Total liabilities and stockholders' equity	$ 3,651.8	$ 3,321.5

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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Trade accounts receivable, allowance for doubtful accounts	$ 11.8	$ 12.8
Preferred stock
Par value (in dollars per share)	$ 0.01	$ 0.01
Authorized (in shares)	5,000,000	5,000,000
Issued (in shares)	0	0
Outstanding (in shares)	0	0
Common stock
Par value (in dollars per share)	$ 0.01	$ 0.01
Authorized (in shares)	400,000,000	400,000,000
Issued (in shares)	286,265,537	285,901,919
Outstanding (in shares)	286,265,537	285,901,919

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Condensed Consolidated Statements of Earnings - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Income Statement [Abstract]
Net sales	$ 1,309.3	$ 1,185.8
Cost of sales	684.6	608.2
Gross profit	624.7	577.6
Operating and administrative expenses	363.6	342.7
(Gain) loss on sale of property and equipment	(0.3)	0.4
Operating income	261.4	234.5
Interest income	0.1	0.1
Interest expense	(4.0)	(2.7)
Earnings before income taxes	257.5	231.9
Income tax expense	63.4	57.6
Net earnings	$ 194.1	$ 174.3
Basic net earnings per share (in dollars per share)	$ 0.68	$ 0.61
Diluted net earnings per share (in dollars per share)	$ 0.68	$ 0.61
Basic weighted average shares outstanding (in shares)	286,086,301	287,642,801
Diluted weighted average shares outstanding (in shares)	286,496,981	287,875,763

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Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net earnings	$ 194.1	$ 174.3
Other comprehensive income, net of tax:
Foreign currency translation adjustments (net of tax of $0.00 in 2019 and 2018)	3.7	2.0
Comprehensive income	$ 197.8	$ 176.3

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Condensed Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Foreign currency translation adjustments, tax	$ 0	$ 0

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Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Millions	Total	Common stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss)
Balance at beginning of period at Dec. 31, 2017		$ 2.9	$ 8.5	$ 2,110.6	$ (25.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised			3.8
Stock-based compensation			1.4
Net earnings	$ 174.3			174.3
Dividends paid in cash				(106.4)
Other comprehensive income					2.0
Balance at end of period at Mar. 31, 2018	$ 2,172.0	2.9	13.7	2,178.5	(23.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per share of common stock (in dollars per share)	$ 0.37
Balance at beginning of period at Dec. 31, 2018	$ 2,302.7	2.9	3.0	2,341.6	(44.8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock options exercised			18.1
Stock-based compensation			1.6
Net earnings	194.1			194.1
Dividends paid in cash				(123.0)
Other comprehensive income					3.7
Balance at end of period at Mar. 31, 2019	$ 2,397.2	$ 2.9	$ 22.7	$ 2,412.7	$ (41.1)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cash dividends declared per share of common stock (in dollars per share)	$ 0.43

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Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net earnings	$ 194.1	$ 174.3
Adjustments to reconcile net earnings to net cash provided by operating activities:
Depreciation of property and equipment	35.4	32.4
(Gain) loss on sale of property and equipment	(0.3)	0.4
Bad debt expense	2.0	1.3
Deferred income taxes	0.6	12.1
Stock-based compensation	1.6	1.4
Amortization of intangible assets	1.0	1.0
Changes in operating assets and liabilities:
Trade accounts receivable	(79.5)	(82.4)
Inventories	(13.5)	(41.2)
Other current assets	30.1	18.4
Accounts payable	(9.7)	0.6
Accrued expenses	(8.0)	5.7
Income taxes	50.7	35.6
Other	0.4	0.1
Net cash provided by operating activities	204.9	159.7
Cash flows from investing activities:
Purchases of property and equipment	(54.4)	(31.5)
Proceeds from sale of property and equipment	1.6	2.7
Other	0.1	(0.1)
Net cash used in investing activities	(52.7)	(28.9)
Cash flows from financing activities:
Proceeds from debt obligations	210.0	180.0
Payments against debt obligations	(240.0)	(190.0)
Proceeds from exercise of stock options	18.1	3.8
Payments of dividends	(123.0)	(106.4)
Net cash used in financing activities	(134.9)	(112.6)
Effect of exchange rate changes on cash and cash equivalents	0.9	2.0
Net increase in cash and cash equivalents	18.2	20.2
Cash and cash equivalents at beginning of period	167.2	116.9
Cash and cash equivalents at end of period	185.4	137.1
Supplemental disclosure of cash flow information:
Cash paid for interest	4.0	2.7
Net cash paid for income taxes	$ 11.7	$ 9.6

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Basis of Presentation

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

(1) Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Fastenal Company and subsidiaries (collectively referred to as the company, Fastenal, or by terms such as we, our, or us) have been prepared in accordance with U.S. generally accepted accounting principles ('GAAP') for interim financial information. They do not include all information and footnotes required by U.S. GAAP for complete financial statements. However, except as described herein, there has been no material change in the information disclosed in the Notes to Consolidated Financial Statements included in our consolidated financial statements as of and for the year ended December 31, 2018. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included.

Recently Adopted Accounting Pronouncements

Effective January 1, 2019, we adopted the Financial Accounting Standards Board ('FASB') Accounting Standards Update ('ASU') 2016-02, Leases, which requires the recognition of lease assets and lease liabilities by lessees for those leases classified as operating leases under previous guidance. The original guidance required application on a modified retrospective basis with the earliest period presented. In August 2018, the FASB issued ASU 2018-11, Targeted Improvements to ASC 842, which included an option to not restate comparative periods in transition and elect to use the effective date of ASC 842, Leases, as the date of initial application of transition, which we elected. As a result of the adoption of ASC 842 on January 1, 2019, we recorded both operating lease right-of-use ('ROU') assets of $227.5 and lease liabilities of $228.3. The adoption of ASC 842 had an immaterial impact on our Condensed Consolidated Statement of Earnings and Condensed Consolidated Statement of Cash Flows for the three-month period ended March 31, 2019. In addition, we elected the package of practical expedients permitted under the transition guidance within the new standard which allowed us to carry forward the historical lease classification.

Additional information and disclosures required by this new standard are contained in Note 5, 'Operating Leases'.

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Revenue

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Revenue

(2) Revenue

Revenue Recognition

Net sales include products and shipping and handling charges, net of estimates for product returns and any related sales incentives. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. All revenue is recognized when we satisfy our performance obligations under the contract. We recognize revenue by transferring the promised products to the customer, with the majority of revenue recognized at the point in time the customer obtains control of the products. We recognize revenue for shipping and handling charges at the time the products are delivered to or picked up by the customer. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales incentives expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes and value added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Disaggregation of Revenue

Our revenues related to the following geographic areas were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
United States	$	1,124.8	1,028.5
All foreign countries	184.5		157.3
Total revenues	$	1,309.3	1,185.8

The percentages of our sales by end market were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
Manufacturing	67.8	%	67.7	%
Non-residential construction	12.7	%	12.7	%
Other	19.5	%	19.6	%
	100.0	%	100.0	%

The percentages of our sales by product line were as follows for the periods ended March 31:

		Three-month Period
Type	Introduced	2019		2018
Fasteners(1)	1967	34.8	%	35.0	%
Tools	1993	9.9	%	10.2	%
Cutting tools	1996	5.9	%	5.7	%
Hydraulics & pneumatics	1996	6.9	%	7.0	%
Material handling	1996	5.8	%	5.8	%
Janitorial supplies	1996	7.5	%	7.4	%
Electrical supplies	1997	4.7	%	4.8	%
Welding supplies	1997	4.1	%	4.2	%
Safety supplies	1999	17.2	%	16.8	%
Other		3.2	%	3.1	%
		100.0	%	100.0	%

⁽¹⁾ The fasteners product line represents fasteners and miscellaneous supplies.

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Stockholders' Equity

3 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Stockholders' Equity

(3) Stockholders' Equity

Dividends

On April 10, 2019, our board of directors declared a dividend of $0.43 per share of common stock to be paid in cash on May 22, 2019 to shareholders of record at the close of business on April 24, 2019. Since 2011, we have paid quarterly dividends. Our board of directors intends to continue paying quarterly dividends, provided that any future determination as to payment of dividends will depend on the financial condition and results of operations of the company and such other factors as are deemed relevant by the board of directors.

The following table presents the dividends either paid previously or declared by our board of directors for future payment on a per share basis:

	2019		2018
First quarter	$	0.43	0.37
Second quarter	0.43		0.37
Third quarter			0.40
Fourth quarter			0.40
Total	$	0.86	1.54

Stock Options

The following tables summarize the details of options granted under our stock option plans that were still outstanding as of March 31, 2019, and the assumptions used to value these grants. All such grants were effective at the close of business on the date of grant.

	Options Granted	Option Exercise (Strike) Price		Closing Stock Price on Date of Grant		March 31, 2019
Date of Grant						Options Outstanding	Options Exercisable
January 2, 2019	658,462	$	52.00	$	51.41	657,118	14,505
January 2, 2018	543,968	$	55.00	$	54.54	519,349	21,185
January 3, 2017	764,789	$	47.00	$	46.95	646,854	206,755
April 19, 2016	845,440	$	46.00	$	45.74	668,947	185,055
April 21, 2015	893,220	$	42.00	$	41.26	575,476	142,607
April 22, 2014	955,000	$	56.00	$	50.53	445,900	266,900
April 16, 2013	205,000	$	54.00	$	49.25	74,435	42,567
April 17, 2012	1,235,000	$	54.00	$	49.01	643,713	534,963
April 19, 2011	410,000	$	35.00	$	31.78	38,650	26,150
Total	6,510,879					4,270,442	1,440,687

Date of Grant	Risk-free Interest Rate		Expected Life of Option in Years	Expected Dividend Yield		Expected Stock Volatility		Estimated Fair Value of Stock Option
January 2, 2019	2.5	%	5.00	2.9	%	23.96	%	$	8.79
January 2, 2018	2.2	%	5.00	2.3	%	23.45	%	$	10.03
January 3, 2017	1.9	%	5.00	2.6	%	24.49	%	$	8.40
April 19, 2016	1.3	%	5.00	2.6	%	26.34	%	$	8.18
April 21, 2015	1.3	%	5.00	2.7	%	26.84	%	$	7.35
April 22, 2014	1.8	%	5.00	2.0	%	28.55	%	$	9.57
April 16, 2013	0.7	%	5.00	1.6	%	37.42	%	$	12.66
April 17, 2012	0.9	%	5.00	1.4	%	39.25	%	$	13.69
April 19, 2011	2.1	%	5.00	1.6	%	39.33	%	$	11.20

All of the options in the tables above vest and become exercisable over a period of up to eight years. Generally, each option will terminate approximately nine years after the grant date.

The fair value of each share-based option is estimated on the date of grant using a Black-Scholes valuation method that uses the assumptions listed above. The risk-free interest rate is based on the U.S. Treasury rate over the expected life of the option at the time of grant. The expected life is the average length of time over which we expect the employee groups will exercise their options, which is based on historical experience with similar grants. The dividend yield is estimated over the expected life of the option based on our current dividend payout, historical dividends paid, and expected future cash dividends. Expected stock volatilities are based on the movement of our stock price over the most recent historical period equivalent to the expected life of the option.

Compensation expense equal to the grant date fair value is recognized for all of these awards over the vesting period. The stock-based compensation expense for the three-month periods ended March 31, 2019 and 2018 was $1.6 and $1.4, respectively. Unrecognized stock-based compensation expense related to outstanding unvested stock options as of March 31, 2019 was $17.0 and is expected to be recognized over a weighted average period of 4.28 years. Any future changes in estimated forfeitures will impact this amount.

Earnings Per Share

The following tables present a reconciliation of the denominators used in the computation of basic and diluted earnings per share and a summary of the options to purchase shares of common stock which were excluded from the diluted earnings per share calculation because they were anti-dilutive:

	Three-month Period
Reconciliation	2019	2018
Basic weighted average shares outstanding	286,086,301	287,642,801
Weighted shares assumed upon exercise of stock options	410,680	232,962
Diluted weighted average shares outstanding	286,496,981	287,875,763

	Three-month Period
Summary of Anti-dilutive Options Excluded	2019		2018
Options to purchase shares of common stock	1,454,355		1,616,963
Weighted average exercise prices of options	$	53.87	55.02

Any dilutive impact summarized above related to periods when the average market price of our stock exceeded the exercise price of the potentially dilutive stock options then outstanding.

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Income Taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income Taxes

(4) Income Taxes

Fastenal files income tax returns in the United States federal jurisdiction, all states, and various local and foreign jurisdictions. With limited exceptions, we are no longer subject to income tax examinations by taxing authorities for taxable years before 2016 in the case of United States federal examinations, and 2014 in the case of foreign, state, and local examinations. During the first quarter of 2019, there were no material changes in unrecognized tax benefits.

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Operating Leases

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Operating Leases

(5) Operating Leases

We lease space under non-cancelable operating leases for several distribution centers, several manufacturing locations, and certain branch locations. These leases do not have significant rent escalation holidays, concessions, leasehold improvement incentives, or other build-out clauses. Further, the leases do not contain contingent rent provisions. We also lease certain semi-tractors, pick-up trucks, and computer equipment under operating leases. Many of our leases include both lease (e.g., fixed payments including rent, taxes, and insurance costs) and non-lease components (e.g., common-area or other maintenance costs) which are accounted for as a single lease component as we have elected the practical expedient to group lease and non-lease components for all leases. Our pick-up truck leases typically have a non-cancelable lease term of less than one year and therefore, we have elected the practical expedient to exclude these short-term leases from our ROU assets and lease liabilities.

Most leases include one or more options to renew. The exercise of lease renewal options is typically at our sole discretion; therefore, the majority of renewals to extend the lease terms are not included in our ROU assets and lease liabilities as they are not reasonably certain of exercise. We regularly evaluate the renewal options and when they are reasonably certain of exercise, we include the renewal period in our lease term.

As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the lease commencement date in determining the present value of the lease payments. We have a centrally managed treasury function; therefore, based on the applicable lease terms and the current economic environment, we apply a portfolio approach for determining the incremental borrowing rate.

Certain operating leases for pick-up trucks contain residual value guarantee provisions which would generally become due at the expiration of the operating lease agreement if the fair value of the leased vehicles is less than the guaranteed residual value. The aggregate residual value guarantee related to these leases was approximately $85.2. We believe the likelihood of funding the guarantee obligation under any provision of the operating lease agreements is remote. To the extent our fleet contains vehicles we estimate will settle at a gain, such gains on these vehicles will be recognized when we sell the vehicle.

The cost components of our operating leases were as follows for the period ended March 31, 2019:

	Three-month Period
	Leased Facilities and Equipment		Leased Vehicles	Total
Operating lease cost	$	25.7	3.1	28.8
Variable lease cost	3.3		0.4	3.7
Short-term lease cost	—		7.3	7.3
Total	$	29.0	10.8	39.8

Variable lease costs consist primarily of taxes, insurance, and common area or other maintenance costs for our leased facilities and equipment which are paid based on actual costs incurred by the lessor as well as variable mileage costs related to our leased vehicles.

Maturities of our lease liabilities for all operating leases are as follows as of March 31, 2019:

	Leased Facilities and Equipment			Leased Vehicles		Total
2019	$	66.0		8.0		74.0
2020	68.5			7.1		75.6
2021	43.5			2.9		46.4
2022	22.7			0.7		23.4
2023	10.7			0.2		10.9
2024 and thereafter	3.8			0.2		4.0
Total lease payments	$	215.2		19.1		234.3
Less: Interest	(11.4		)	(0.7	)	(12.1	)
Present value of lease liabilities	$	203.8		18.4		222.2

The weighted average remaining lease terms and discount rates for all of our operating leases were as follows as of March 31, 2019:

Remaining lease term and discount rate:	March 31, 2019
Weighted average remaining lease term (years)
Leased facilities and equipment	3.14
Leased vehicles	2.24
Weighted average discount rate
Lease facilities and equipment	3.57%
Leased vehicles	3.48%

Supplemental cash flow information related to our operating leases was as follows for the period ended March 31, 2019:

	Three-month Period
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$	28.4
Leased assets obtained in exchange for new operating lease liabilities	21.8

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Debt Commitments

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Debt Commitments

6) Debt Commitments

Credit Facility, Notes Payable, Industrial Revenue Bonds, and Commitments

Debt obligations and letters of credit outstanding at the end of each period consisted of the following:

	March 31, 2019			December 31, 2018
Outstanding loans under unsecured revolving credit facility	$	335.0		365.0
2.00% Senior unsecured promissory note payable	40.0			40.0
2.45% Senior unsecured promissory note payable	35.0			35.0
3.22% Senior unsecured promissory note payable	60.0			60.0
Industrial revenue bonds	19.0			—
Total debt	489.0			500.0
Less: Current portion of debt	(4.4		)	(3.0	)
Long-term debt	$	484.6		497.0
Outstanding letters of credit under unsecured revolving credit facility - contingent obligation	$	36.3		36.3

Unsecured Revolving Credit Facility

We have a $700.0 committed unsecured revolving credit facility ('Credit Facility'). The Credit Facility includes a committed letter of credit subfacility of $55.0. The commitments under the Credit Facility will expire (and any borrowings outstanding under the Credit Facility will become due and payable) on November 30, 2023. In the next twelve months, we have the ability and intent to repay a portion of the outstanding loans using cash; therefore, we have classified this portion as a current liability. The Credit Facility contains certain financial and other covenants, and our right to borrow under the Credit Facility is conditioned upon, among other things, our compliance with these covenants. We are currently in compliance with these covenants.

Borrowings under the Credit Facility generally bear interest at a rate per annum equal to the London Interbank Offered Rate ('LIBOR') for interest periods of various lengths selected by us, plus 0.95%. Based on the interest periods we have chosen, our weighted per annum interest rate at March 31, 2019 was approximately 3.4%. We pay a commitment fee for the unused portion of the Credit Facility. This fee is either 0.10% or 0.125% per annum based on our usage of the Credit Facility.

Senior Unsecured Promissory Notes Payable

We have issued senior unsecured promissory notes under our master note agreement (the 'Master Note Agreement') in the aggregate principal amount of $135.0. Our aggregate borrowing capacity under the Master Note Agreement is $600.0; however, none of the institutional investors party to that agreement are committed to purchase notes thereunder.

The notes currently issued under our Master Note Agreement consist of three series. The first is in an aggregate principal amount of $40.0, bears interest at a fixed rate of 2.00% per annum, and is due and payable on July 20, 2021. The second is in an aggregate principal amount of $35.0, bears interest at a fixed rate of 2.45% per annum, and is due and payable on July 20, 2022. The third is in an aggregate principal amount of $60.0, bears interest at a fixed rate of 3.22% per annum, and is due and payable on March 1, 2024. There is no amortization of these notes prior to their maturity date and interest is payable quarterly.

Industrial Revenue Bonds

We have been expanding our office and distribution facility at our Kansas City, Kansas location and financed the expansion of this facility under two Industrial Revenue Bonds ('IRBs') with an aggregate principal amount of $19.0. We subsequently purchased 100% of the outstanding bonds under the IRBs at par and under the IRB debt agreement, we have the right of offset. Accordingly, the impact of the IRB has been reflected as a non-cash transaction in the Condensed Consolidated Statement of Cash Flows for the three months ended March 31, 2019. The purchase of the $19.0 of outstanding IRBs is included in other assets and the $19.0 debt obligation is included in long-term debt on the Condensed Consolidated Balance Sheet as of March 31, 2019.

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Legal Contingencies

3 Months Ended

Mar. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Legal Contingencies

(7) Legal Contingencies

The nature of our potential exposure to legal contingencies is described in our 2018 annual report on Form 10-K in Note 10 of the Notes to Consolidated Financial Statements. As of March 31, 2019, there were no litigation matters that we consider to be probable or reasonably possible to have a material adverse outcome.

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Subsequent Events

3 Months Ended

Mar. 31, 2019

Subsequent Events [Abstract]

Subsequent Events

(8) Subsequent Events

We evaluated all subsequent event activity and concluded that no subsequent events have occurred that would require recognition in the condensed consolidated financial statements or disclosure in the Notes to Condensed Consolidated Financial Statements, with the exception of the dividend declaration disclosed in Note 3 'Stockholders' Equity'.

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Basis of Presentation (Policies)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Basis of Presentation

The accompanying unaudited condensed consolidated financial statements of Fastenal Company and subsidiaries (collectively referred to as the company, Fastenal, or by terms such as we, our, or us) have been prepared in accordance with U.S. generally accepted accounting principles ('GAAP') for interim financial information. They do not include all information and footnotes required by U.S. GAAP for complete financial statements. However, except as described herein, there has been no material change in the information disclosed in the Notes to Consolidated Financial Statements included in our consolidated financial statements as of and for the year ended December 31, 2018. In the opinion of management, all adjustments (consisting of normal recurring accruals) considered necessary for a fair presentation have been included.

Recently Adopted Accounting Pronouncements

Recently Adopted Accounting Pronouncements

Effective January 1, 2019, we adopted the Financial Accounting Standards Board ('FASB') Accounting Standards Update ('ASU') 2016-02, Leases, which requires the recognition of lease assets and lease liabilities by lessees for those leases classified as operating leases under previous guidance. The original guidance required application on a modified retrospective basis with the earliest period presented. In August 2018, the FASB issued ASU 2018-11, Targeted Improvements to ASC 842, which included an option to not restate comparative periods in transition and elect to use the effective date of ASC 842, Leases, as the date of initial application of transition, which we elected. As a result of the adoption of ASC 842 on January 1, 2019, we recorded both operating lease right-of-use ('ROU') assets of $227.5 and lease liabilities of $228.3. The adoption of ASC 842 had an immaterial impact on our Condensed Consolidated Statement of Earnings and Condensed Consolidated Statement of Cash Flows for the three-month period ended March 31, 2019. In addition, we elected the package of practical expedients permitted under the transition guidance within the new standard which allowed us to carry forward the historical lease classification.

Additional information and disclosures required by this new standard are contained in Note 5, 'Operating Leases'.

Revenue Recognition

Net sales include products and shipping and handling charges, net of estimates for product returns and any related sales incentives. Revenue is measured as the amount of consideration we expect to receive in exchange for transferring products. All revenue is recognized when we satisfy our performance obligations under the contract. We recognize revenue by transferring the promised products to the customer, with the majority of revenue recognized at the point in time the customer obtains control of the products. We recognize revenue for shipping and handling charges at the time the products are delivered to or picked up by the customer. We estimate product returns based on historical return rates. Using probability assessments, we estimate sales incentives expected to be paid over the term of the contract. The majority of our contracts have a single performance obligation and are short term in nature. Sales taxes and value added taxes in foreign jurisdictions that are collected from customers and remitted to governmental authorities are accounted for on a net basis and therefore are excluded from net sales.

Lease and Nonlease Components

Many of our leases include both lease (e.g., fixed payments including rent, taxes, and insurance costs) and non-lease components (e.g., common-area or other maintenance costs) which are accounted for as a single lease component as we have elected the practical expedient to group lease and non-lease components for all leases.

Short-term Leases

Our pick-up truck leases typically have a non-cancelable lease term of less than one year and therefore, we have elected the practical expedient to exclude these short-term leases from our ROU assets and lease liabilities.

Lessee, Leases

Most leases include one or more options to renew. The exercise of lease renewal options is typically at our sole discretion; therefore, the majority of renewals to extend the lease terms are not included in our ROU assets and lease liabilities as they are not reasonably certain of exercise. We regularly evaluate the renewal options and when they are reasonably certain of exercise, we include the renewal period in our lease term.

As most of our leases do not provide an implicit rate, we use our incremental borrowing rate based on the information available at the lease commencement date in determining the present value of the lease payments. We have a centrally managed treasury function; therefore, based on the applicable lease terms and the current economic environment, we apply a portfolio approach for determining the incremental borrowing rate.

To the extent our fleet contains vehicles we estimate will settle at a gain, such gains on these vehicles will be recognized when we sell the vehicle.

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Revenue (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

Our revenues related to the following geographic areas were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
United States	$	1,124.8	1,028.5
All foreign countries	184.5		157.3
Total revenues	$	1,309.3	1,185.8

The percentages of our sales by end market were as follows for the periods ended March 31:

	Three-month Period
	2019		2018
Manufacturing	67.8	%	67.7	%
Non-residential construction	12.7	%	12.7	%
Other	19.5	%	19.6	%
	100.0	%	100.0	%

The percentages of our sales by product line were as follows for the periods ended March 31:

		Three-month Period
Type	Introduced	2019		2018
Fasteners(1)	1967	34.8	%	35.0	%
Tools	1993	9.9	%	10.2	%
Cutting tools	1996	5.9	%	5.7	%
Hydraulics & pneumatics	1996	6.9	%	7.0	%
Material handling	1996	5.8	%	5.8	%
Janitorial supplies	1996	7.5	%	7.4	%
Electrical supplies	1997	4.7	%	4.8	%
Welding supplies	1997	4.1	%	4.2	%
Safety supplies	1999	17.2	%	16.8	%
Other		3.2	%	3.1	%
		100.0	%	100.0	%

⁽¹⁾ The fasteners product line represents fasteners and miscellaneous supplies.

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Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2019

Stockholders' Equity Note [Abstract]

Schedule of Dividends Paid Previously or Declared

The following table presents the dividends either paid previously or declared by our board of directors for future payment on a per share basis:

	2019		2018
First quarter	$	0.43	0.37
Second quarter	0.43		0.37
Third quarter			0.40
Fourth quarter			0.40
Total	$	0.86	1.54

Stock Options Granted

The following tables summarize the details of options granted under our stock option plans that were still outstanding as of March 31, 2019, and the assumptions used to value these grants. All such grants were effective at the close of business on the date of grant.

	Options Granted	Option Exercise (Strike) Price		Closing Stock Price on Date of Grant		March 31, 2019
Date of Grant						Options Outstanding	Options Exercisable
January 2, 2019	658,462	$	52.00	$	51.41	657,118	14,505
January 2, 2018	543,968	$	55.00	$	54.54	519,349	21,185
January 3, 2017	764,789	$	47.00	$	46.95	646,854	206,755
April 19, 2016	845,440	$	46.00	$	45.74	668,947	185,055
April 21, 2015	893,220	$	42.00	$	41.26	575,476	142,607
April 22, 2014	955,000	$	56.00	$	50.53	445,900	266,900
April 16, 2013	205,000	$	54.00	$	49.25	74,435	42,567
April 17, 2012	1,235,000	$	54.00	$	49.01	643,713	534,963
April 19, 2011	410,000	$	35.00	$	31.78	38,650	26,150
Total	6,510,879					4,270,442	1,440,687

Fair Value Assumptions for Options Granted

Date of Grant	Risk-free Interest Rate		Expected Life of Option in Years	Expected Dividend Yield		Expected Stock Volatility		Estimated Fair Value of Stock Option
January 2, 2019	2.5	%	5.00	2.9	%	23.96	%	$	8.79
January 2, 2018	2.2	%	5.00	2.3	%	23.45	%	$	10.03
January 3, 2017	1.9	%	5.00	2.6	%	24.49	%	$	8.40
April 19, 2016	1.3	%	5.00	2.6	%	26.34	%	$	8.18
April 21, 2015	1.3	%	5.00	2.7	%	26.84	%	$	7.35
April 22, 2014	1.8	%	5.00	2.0	%	28.55	%	$	9.57
April 16, 2013	0.7	%	5.00	1.6	%	37.42	%	$	12.66
April 17, 2012	0.9	%	5.00	1.4	%	39.25	%	$	13.69
April 19, 2011	2.1	%	5.00	1.6	%	39.33	%	$	11.20

Reconciliation of Denominators used in Computation of Basic and Diluted Earnings Per Share

The following tables present a reconciliation of the denominators used in the computation of basic and diluted earnings per share and a summary of the options to purchase shares of common stock which were excluded from the diluted earnings per share calculation because they were anti-dilutive:

	Three-month Period
Reconciliation	2019	2018
Basic weighted average shares outstanding	286,086,301	287,642,801
Weighted shares assumed upon exercise of stock options	410,680	232,962
Diluted weighted average shares outstanding	286,496,981	287,875,763

Anti-Dilutive Options Excluded

	Three-month Period
Summary of Anti-dilutive Options Excluded	2019		2018
Options to purchase shares of common stock	1,454,355		1,616,963
Weighted average exercise prices of options	$	53.87	55.02

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Operating Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Cost Components of Operating Leases, Weighted Average Lease Terms, and Discount Rates

The cost components of our operating leases were as follows for the period ended March 31, 2019:

	Three-month Period
	Leased Facilities and Equipment		Leased Vehicles	Total
Operating lease cost	$	25.7	3.1	28.8
Variable lease cost	3.3		0.4	3.7
Short-term lease cost	—		7.3	7.3
Total	$	29.0	10.8	39.8

The weighted average remaining lease terms and discount rates for all of our operating leases were as follows as of March 31, 2019:

Remaining lease term and discount rate:	March 31, 2019
Weighted average remaining lease term (years)
Leased facilities and equipment	3.14
Leased vehicles	2.24
Weighted average discount rate
Lease facilities and equipment	3.57%
Leased vehicles	3.48%

Maturities of Lease Liabilities

Maturities of our lease liabilities for all operating leases are as follows as of March 31, 2019:

	Leased Facilities and Equipment			Leased Vehicles		Total
2019	$	66.0		8.0		74.0
2020	68.5			7.1		75.6
2021	43.5			2.9		46.4
2022	22.7			0.7		23.4
2023	10.7			0.2		10.9
2024 and thereafter	3.8			0.2		4.0
Total lease payments	$	215.2		19.1		234.3
Less: Interest	(11.4		)	(0.7	)	(12.1	)
Present value of lease liabilities	$	203.8		18.4		222.2

Supplemental Cash Flow Information

Supplemental cash flow information related to our operating leases was as follows for the period ended March 31, 2019:

	Three-month Period
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$	28.4
Leased assets obtained in exchange for new operating lease liabilities	21.8

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Debt Commitments (Tables)

3 Months Ended

Mar. 31, 2019

Debt Disclosure [Abstract]

Schedule of Debt Obligations and Letters of Credit Outstanding

Debt obligations and letters of credit outstanding at the end of each period consisted of the following:

	March 31, 2019			December 31, 2018
Outstanding loans under unsecured revolving credit facility	$	335.0		365.0
2.00% Senior unsecured promissory note payable	40.0			40.0
2.45% Senior unsecured promissory note payable	35.0			35.0
3.22% Senior unsecured promissory note payable	60.0			60.0
Industrial revenue bonds	19.0			—
Total debt	489.0			500.0
Less: Current portion of debt	(4.4		)	(3.0	)
Long-term debt	$	484.6		497.0
Outstanding letters of credit under unsecured revolving credit facility - contingent obligation	$	36.3		36.3

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Basis of Presentation (Details) - USD ($) $ in Millions	Mar. 31, 2019	Jan. 01, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use asset	$ 220.9		$ 0.0
Operating lease liabilities	$ 222.2
Accounting Standards Update 2016-02
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use asset		$ 227.5
Operating lease liabilities		$ 228.3

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Revenue - Revenues by Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues by Geographic Areas [Line Items]
Total revenues	$ 1,309.3	$ 1,185.8
United States
Revenues by Geographic Areas [Line Items]
Total revenues	1,124.8	1,028.5
All foreign countries
Revenues by Geographic Areas [Line Items]
Total revenues	$ 184.5	$ 157.3

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Revenue - Percentages of Sales by End Market (Details) - End Market - Sales	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Percentage of Sales by End Market [Line Items]
Percentage of sales	100.00%	100.00%
Manufacturing
Percentage of Sales by End Market [Line Items]
Percentage of sales	67.80%	67.70%
Non-residential construction
Percentage of Sales by End Market [Line Items]
Percentage of sales	12.70%	12.70%
Other
Percentage of Sales by End Market [Line Items]
Percentage of sales	19.50%	19.60%

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Revenue - Percentages of Sales by Product Line (Details) - Product Line - Sales	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Percentage of Sales by Product Line [Line Items]
Percentage of sales	100.00%	100.00%
Fasteners
Percentage of Sales by Product Line [Line Items]
Percentage of sales	34.80%	35.00%
Tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	9.90%	10.20%
Cutting tools
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.90%	5.70%
Hydraulics & pneumatics
Percentage of Sales by Product Line [Line Items]
Percentage of sales	6.90%	7.00%
Material handling
Percentage of Sales by Product Line [Line Items]
Percentage of sales	5.80%	5.80%
Janitorial supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	7.50%	7.40%
Electrical supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.70%	4.80%
Welding supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	4.10%	4.20%
Safety Supplies
Percentage of Sales by Product Line [Line Items]
Percentage of sales	17.20%	16.80%
Other
Percentage of Sales by Product Line [Line Items]
Percentage of sales	3.20%	3.10%

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Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
	Apr. 10, 2019	Mar. 31, 2019	Mar. 31, 2018
Subsequent Event [Line Items]
Dividend declared (in dollars per share)		$ 0.43	$ 0.37
Share-based Compensation [Abstract]
Options vesting and exercisable period, maximum		8 years
Options termination period		9 years
Total stock-based compensation expense		$ 1.6	$ 1.4
Total unrecognized stock-based compensation expense		$ 17.0
Weighted average period over which total unrecognized stock-based compensation expense will be recognized		4 years 3 months 10 days
Subsequent Event
Subsequent Event [Line Items]
Dividend declared (in dollars per share)	$ 0.43

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Stockholders' Equity - Schedule of Dividends Paid Previously or Declared (Details) - $ / shares	3 Months Ended						12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Dividends Per Share [Line Items]
Dividends paid (in dollars per share)		$ 0.43	$ 0.4	$ 0.4	$ 0.37	$ 0.37		$ 1.54
Forecast
Dividends Per Share [Line Items]
Dividends paid (in dollars per share)	$ 0.43						$ 0.86

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Stockholders' Equity - Stock Options Granted (Details)	95 Months Ended
	Mar. 31, 2019 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	6,510,879
Options Outstanding (in shares)	4,270,442
Options Exercisable (in shares)	1,440,687
January 2, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	658,462
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 52
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 51.41
Options Outstanding (in shares)	657,118
Options Exercisable (in shares)	14,505
January 2, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	543,968
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 55
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 54.54
Options Outstanding (in shares)	519,349
Options Exercisable (in shares)	21,185
January 3, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	764,789
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 47
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 46.95
Options Outstanding (in shares)	646,854
Options Exercisable (in shares)	206,755
April 19, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	845,440
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 46
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 45.74
Options Outstanding (in shares)	668,947
Options Exercisable (in shares)	185,055
April 21, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	893,220
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 42
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 41.26
Options Outstanding (in shares)	575,476
Options Exercisable (in shares)	142,607
April 22, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	955,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 56
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 50.53
Options Outstanding (in shares)	445,900
Options Exercisable (in shares)	266,900
April 16, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	205,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 54
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 49.25
Options Outstanding (in shares)	74,435
Options Exercisable (in shares)	42,567
April 17, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	1,235,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 54
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 49.01
Options Outstanding (in shares)	643,713
Options Exercisable (in shares)	534,963
April 19, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options Granted (in shares)	410,000
Option Exercise (Strike) Price (in dollars per share) | $ / shares	$ 35
Closing Stock Price on Date of Grant (in dollars per share) | $ / shares	$ 31.78
Options Outstanding (in shares)	38,650
Options Exercisable (in shares)	26,150

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Stockholders' Equity - Fair Value Assumptions for Options Granted (Details)	3 Months Ended
	Mar. 31, 2019 $ / shares
January 2, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	2.50%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.90%
Expected Stock Volatility	23.96%
Estimated Fair Value of Stock Option (in dollars per share)	$ 8.79
January 2, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	2.20%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.30%
Expected Stock Volatility	23.45%
Estimated Fair Value of Stock Option (in dollars per share)	$ 10.03
January 3, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	1.90%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.60%
Expected Stock Volatility	24.49%
Estimated Fair Value of Stock Option (in dollars per share)	$ 8.40
April 19, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	1.30%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.60%
Expected Stock Volatility	26.34%
Estimated Fair Value of Stock Option (in dollars per share)	$ 8.18
April 21, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	1.30%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.70%
Expected Stock Volatility	26.84%
Estimated Fair Value of Stock Option (in dollars per share)	$ 7.35
April 22, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	1.80%
Expected Life of Option in Years	5 years
Expected Dividend Yield	2.00%
Expected Stock Volatility	28.55%
Estimated Fair Value of Stock Option (in dollars per share)	$ 9.57
April 16, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	0.70%
Expected Life of Option in Years	5 years
Expected Dividend Yield	1.60%
Expected Stock Volatility	37.42%
Estimated Fair Value of Stock Option (in dollars per share)	$ 12.66
April 17, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	0.90%
Expected Life of Option in Years	5 years
Expected Dividend Yield	1.40%
Expected Stock Volatility	39.25%
Estimated Fair Value of Stock Option (in dollars per share)	$ 13.69
April 19, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Risk-free Interest Rate	2.10%
Expected Life of Option in Years	5 years
Expected Dividend Yield	1.60%
Expected Stock Volatility	39.33%
Estimated Fair Value of Stock Option (in dollars per share)	$ 11.20

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Stockholders' Equity - Reconciliation of Denominators used in Computation of Basic and Diluted Earnings Per Share (Details) - shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Stockholders' Equity Note [Abstract]
Basic weighted average shares outstanding (in shares)	286,086,301	287,642,801
Weighted shares assumed upon exercise of stock options (in shares)	410,680	232,962
Diluted weighted average shares outstanding (in shares)	286,496,981	287,875,763

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Stockholders' Equity - Summary of Anti-Dilutive Options Excluded (Details) - $ / shares	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Stockholders' Equity Note [Abstract]
Options to purchase shares of common stock (in shares)	1,454,355	1,616,963
Weighted average exercise prices of options (in dollars per share)	$ 53.87	$ 55.02

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Income Taxes - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Income Tax Disclosure [Abstract]
Material changes in unrecognized tax benefits	$ 0.0

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Operating Leases - Additional Information (Details) - Pick-up trucks $ in Millions	Mar. 31, 2019 USD ($)
Property Subject to or Available for Operating Lease [Line Items]
Non-cancelable lease term (less than)	1 year
Aggregate residual value guarantee of pick-up leases	$ 85.2

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Operating Leases - Cost Components of Operating Leases (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 28.8
Variable lease cost	3.7
Short-term lease cost	7.3
Total	39.8
Leased Facilities and Equipment
Lessee, Lease, Description [Line Items]
Operating lease cost	25.7
Variable lease cost	3.3
Short-term lease cost	0.0
Total	29.0
Leased Vehicles
Lessee, Lease, Description [Line Items]
Operating lease cost	3.1
Variable lease cost	0.4
Short-term lease cost	7.3
Total	$ 10.8

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Operating Leases - Maturities of Lease Liabilities (Details) $ in Millions	Mar. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
2019	$ 74.0
2020	75.6
2021	46.4
2022	23.4
2023	10.9
2024 and thereafter	4.0
Total lease payments	234.3
Less: Interest	(12.1)
Present value of lease liabilities	222.2
Leased Facilities and Equipment
Lessee, Lease, Description [Line Items]
2019	66.0
2020	68.5
2021	43.5
2022	22.7
2023	10.7
2024 and thereafter	3.8
Total lease payments	215.2
Less: Interest	(11.4)
Present value of lease liabilities	203.8
Leased Vehicles
Lessee, Lease, Description [Line Items]
2019	8.0
2020	7.1
2021	2.9
2022	0.7
2023	0.2
2024 and thereafter	0.2
Total lease payments	19.1
Less: Interest	(0.7)
Present value of lease liabilities	$ 18.4

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Operating Leases - Weighted Average Lease Term and Discount Rates (Details)	Mar. 31, 2019
Leased Facilities and Equipment
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term (years)	3 years 1 month 20 days
Weighted average discount rate	3.57%
Leased Vehicles
Lessee, Lease, Description [Line Items]
Weighted average remaining lease term (years)	2 years 2 months 26 days
Weighted average discount rate	3.48%

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Operating Leases - Supplemental Cash Flow Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflow from operating leases	$ 28.4
Leased assets obtained in exchange for new operating lease liabilities	$ 21.8

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Debt Commitments - Debt Obligations and Letters of Credit Outstanding (Details) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Debt Instrument [Line Items]
Total debt	$ 489,000,000	$ 500,000,000
Less: Current portion of debt	(4,400,000)	(3,000,000)
Long-term debt	484,600,000	497,000,000
Credit Facility | Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Total debt	335,000,000	365,000,000
Credit Facility | Letter of Credit Subfacility
Debt Instrument [Line Items]
Outstanding letters of credit under unsecured revolving credit facility - contingent obligation	36,300,000	36,300,000
Senior Unsecured Promissory Notes | 2.00% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Total debt	$ 40,000,000	40,000,000
Fixed interest rate per annum	2.00%
Senior Unsecured Promissory Notes | 2.45% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Total debt	$ 35,000,000	35,000,000
Fixed interest rate per annum	2.45%
Senior Unsecured Promissory Notes | 3.22% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Total debt	$ 60,000,000	60,000,000
Fixed interest rate per annum	3.22%
Industrial Revenue Bonds
Debt Instrument [Line Items]
Total debt	$ 19,000,000	$ 0

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Debt Commitments - Unsecured Revolving Credit Facility (Details) - Credit Facility	3 Months Ended
	Mar. 31, 2019 USD ($)
Debt Instrument [Line Items]
Weighted per annum interest rate on outstanding line of credit	3.40%
Minimum
Debt Instrument [Line Items]
Percentage fee paid for unused portion of credit facility	0.10%
Maximum
Debt Instrument [Line Items]
Percentage fee paid for unused portion of credit facility	0.125%
LIBOR
Debt Instrument [Line Items]
Per annum interest rate over LIBOR	0.95%
Unsecured Revolving Credit Facility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 700,000,000
Letter of Credit Subfacility
Debt Instrument [Line Items]
Credit facility, maximum borrowing capacity	$ 55,000,000

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Debt Commitments - Senior Unsecured Promissory Notes Payable (Details) - Senior Unsecured Promissory Notes	Mar. 31, 2019 USD ($) debt_instrument_series
Debt Instrument [Line Items]
Debt issuance, aggregate principal amount	$ 135,000,000
Maximum aggregate borrowing capacity	$ 600,000,000
Number of debt instrument series | debt_instrument_series	3
2.00% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Debt issuance, aggregate principal amount	$ 40,000,000
Fixed interest rate per annum	2.00%
2.45% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Debt issuance, aggregate principal amount	$ 35,000,000
Fixed interest rate per annum	2.45%
3.22% Senior Unsecured Promissory Note Payable
Debt Instrument [Line Items]
Debt issuance, aggregate principal amount	$ 60,000,000
Fixed interest rate per annum	3.22%

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Debt Commitments - Industrial Revenue Bonds (Details)	Mar. 31, 2019 USD ($) bond	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Purchase of outstanding IRBs, other assets	$ 98,400,000	$ 80,500,000
Debt obligation of outstanding IRBs	489,000,000	500,000,000
Industrial Revenue Bonds
Debt Instrument [Line Items]
Purchase of outstanding IRBs, other assets	$ 19,000,000
Industrial Revenue Bonds
Debt Instrument [Line Items]
Number of debt instruments | bond	2
Debt issuance, aggregate principal amount of IRBs	$ 19,000,000
Percent of outstanding IRBs purchased	100.00%
Debt obligation of outstanding IRBs	$ 19,000,000	$ 0