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Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Estimated Useful Lives

Depreciation is computed using the straight line method over the estimated useful lives of the assets as follows:

 

Furniture, fixtures and equipment

 

5 years

Computer equipment

 

3 years

Software and capitalized software

 

3 years

Buildings

 

30 years

Leasehold improvements

 

3 - 5 years

Rental clocks

 

5 years

Vehicles

 

3 years

 
Summary of Reflection of New Adopted Standards in Selected Consolidated Statements Line Items

The following table presents a recast of selected consolidated statement of operations line items, after giving effect to the adoption of ASU No. 2014-09 (dollars in thousands, except per share amounts):

 

 

 

Year Ended December 31,

 

 

 

2017

 

 

2016

 

 

 

 

 

 

 

 

 

 

Costs and expenses:

 

 

 

 

 

 

 

 

Sales and marketing

 

$

110,846

 

 

$

85,361

 

General and administrative

 

$

80,228

 

 

$

59,174

 

Operating income

 

$

129,710

 

 

$

101,740

 

Net income

 

$

123,486

 

 

$

70,421

 

Earnings per share, basic

 

$

2.13

 

 

$

1.21

 

Earnings per share, diluted

 

$

2.10

 

 

$

1.19

 

 

The following table presents a recast of selected consolidated balance sheet line items, after giving effect to the adoption of ASU No. 2014-09 (dollars in thousands):

 

 

 

 

 

December 31, 2017

 

Assets:

 

 

 

 

 

 

Deferred contract costs

 

 

 

$

26,403

 

Long-term deferred contract costs

 

 

 

$

171,865