Consolidated Statements of Cash Flows - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015		Dec. 31, 2014
Operating activities
Net income		$ 98,812	$ 77,747		$ 174,613
Adjustment to reconcile net income to net cash provided by operating activities:
Depreciation		21,465	16,742		13,706
Amortization of Intangible Assets		32,953	23,591		21,024
Amortization of original issue discount and deferred financing costs		3,940	5,429		6,615
Tradename and goodwill impairment		0	40,687	[1]	0
Loss on extinguishment of debt	[2]	574	4,795		2,084
(Gain) loss on change in contractual interest rate	[3]	2,957	2,381		(16,014)
Gain on remeasurement of contingent consideration					(4,877)
Deferred income taxes		39,347	26,955		37,878
Share-based compensation expense	[4]	9,493	8,241		12,612
Other		127	540		1,248
Net changes in operating assets and liabilities, net of acquisitions:
Accounts receivable		(9,082)	9,610		(2,988)
Inventories		15,514	9,084		3,508
Other assets		406	5,063		2,456
Accounts payable		32,908	(27,771)		15,269
Accrued wages and employee benefits		5,196	(5,361)		(9,405)
Other accrued liabilities		6,719	445		6,229
Excess tax benefits from equity awards		(7,920)	(9,559)		(10,972)
Net cash provided by operating activities		253,409	188,619		252,986
Investing activities
Proceeds from sale of property and equipment		1,360	105		394
Expenditures for property and equipment		(30,467)	(30,651)		(34,689)
Acquisition of business, net of cash acquired		(61,386)	(73,782)		(61,196)
Deposit paid related to acquisition		(15,329)
Net cash used in investing activities		(105,822)	(104,328)		(95,491)
Financing activities
Proceeds from short-term borrowings		28,712	26,384		6,550
Proceeds from long-term borrowings			100,000
Repayments of short-term borrowings		(27,755)	(23,149)		(26,444)
Repayments of long-term borrowings and capital lease obligations		(37,627)	(150,826)		(94,035)
Stock repurchases		(149,937)	(99,942)
Payment of debt issuance costs		(4,557)	(2,117)		(4)
Cash dividends paid		(76)	(1,436)		(902)
Taxes paid related to the net share settlement of equity awards		(14,008)	(12,956)		(12,160)
Proceeds from the exercise of stock options		1,623
Excess tax benefits from equity awards		7,920	9,559		10,972
Net cash used in financing activities		(195,705)	(154,483)		(116,023)
Effect of exchange rate changes on cash and cash equivalents		(467)	(3,712)		(1,858)
Net increase (decrease) in cash and cash equivalents		(48,585)	(73,904)		39,614
Cash and cash equivalents at beginning of period		115,857	189,761		150,147
Cash and cash equivalents at end of period		67,272	115,857		189,761
Supplemental disclosure of cash flow information
Interest		42,456	39,524		42,592
Income taxes		$ 8,889	$ 6,087		$ 34,283

[1] Represents the 2015 impairment of certain tradenames due to a change in brand strategy to transition and consolidate various brands to the Generac tradename ($36,076) and the impairment of goodwill related to the Ottomotores reporting unit ($4,611)

[2] Represents the write-off of original issue discount and capitalized debt issuance costs due to voluntary debt prepayments.

[3] For the year ended December 31, 2016, represents a non-cash loss in the third quarter 2016 relating to the continued 25 basis point increase in borrowing costs as a result of the credit agreement leverage ratio remaining above 3.0 times and expected to remain above 3.0 based on current projections. For the year ended December 31, 2015, represents a non-cash loss relating to a 25 basis point increase in borrowing costs as a result of the credit agreement leverage ratio rising above 3.0 times effective third quarter 2015 and expected to remain above 3.0 times based on projections at the time. For the year ended December 31, 2014 represents a non-cash gain relating to a 25 basis point reduction in borrowing costs as a result of the credit agreement leverage ratio falling below 3.0 times effective second quarter 2014 and expected to remain below 3.0 times based on projections at the time.

[4] Represents share-based compensation expense to account for stock options, restricted stock and other stock awards over their respective vesting periods.