Acquisitions, Goodwill And Other Intangible Assets (Schedule of Business Acquisitions) (Details) - USD ($) $ in Thousands		1 Months Ended										12 Months Ended
	Nov. 30, 2018	Jun. 30, 2018	Feb. 28, 2018	Jan. 31, 2018	Jun. 30, 2017	May 31, 2017	Feb. 28, 2017	Nov. 30, 2016	May 31, 2016	Feb. 29, 2016	Jan. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Business Acquisition
Cash consideration, net of cash acquired												$ 184,792	$ 60,588	$ 48,725
Goodwill												$ 180,168	$ 124,183	$ 89,198
Smoker Craft
Business Acquisition
Cash consideration	$ 28,091
Total fair value of consideration given	28,100
Identifiable intangible assets	18,540
Net tangible assets	1,357
Total fair value of net assets acquired	19,897
Goodwill	$ 8,194
STLA
Business Acquisition
Cash consideration, net of cash acquired		$ 14,845
Total fair value of consideration given		14,800
Identifiable intangible assets		7,000
Net tangible assets		296
Total fair value of net assets acquired		7,296
Goodwill		$ 7,549
Hehr
Business Acquisition
Cash consideration			$ 51,460
Identifiable intangible assets			21,500
Net tangible assets			11,990
Total fair value of net assets acquired			33,490
Goodwill			$ 17,970
Taylor Made
Business Acquisition
Cash consideration, net of cash acquired				$ 90,396
Cash consideration				90,400
Net tangible assets				45,342
Total fair value of net assets acquired				68,042
Goodwill				22,354
Metallarte S.r.l.
Business Acquisition
Cash consideration, net of cash acquired					$ 13,501
Cash consideration					14,100
Contingent consideration					2,366
Total fair value of consideration given					15,867
Net other liabilities					(327)
Total fair value of net assets acquired					8,926
Goodwill					6,941
Lexington
Business Acquisition
Cash consideration						$ 40,062
Total fair value of consideration given						40,100
Net tangible assets						4,928
Total fair value of net assets acquired						23,648
Goodwill						16,414
Sessa Klein S.p.A.
Business Acquisition
Cash consideration, net of cash acquired							$ 6,502
Cash consideration							6,500
Contingent consideration							3,838
Total fair value of consideration given							10,340
Identifiable intangible assets							2,286
Net tangible assets							364
Total fair value of net assets acquired							2,650
Goodwill							$ 7,690
Atwood
Business Acquisition
Cash consideration								$ 12,463
Total fair value of consideration given								12,500
Net other assets								10,915
Total fair value of net assets acquired								12,415
Project 2000
Business Acquisition
Cash consideration, net of cash acquired									$ 16,618
Cash consideration									18,800
Contingent consideration									1,322
Total fair value of consideration given									17,940
Net other liabilities									(3,482)
Total fair value of net assets acquired									12,355
Goodwill									5,585
Flair Interiors
Business Acquisition
Cash consideration										$ 8,100
Net other assets										2,378
Total fair value of net assets acquired										6,078
Goodwill										2,022
Highwater
Business Acquisition
Cash consideration											$ 10,000
Net tangible assets											1,307
Total fair value of net assets acquired											9,407
Goodwill											593
Customer relationships | Taylor Made
Business Acquisition
Identifiable intangible assets				10,900
Customer relationships | Metallarte S.r.l.
Business Acquisition
Identifiable intangible assets					7,311
Customer relationships | Lexington
Business Acquisition
Identifiable intangible assets						16,900
Customer relationships | Atwood
Business Acquisition
Identifiable intangible assets								$ 1,500
Customer relationships | Project 2000
Business Acquisition
Identifiable intangible assets									9,696
Customer relationships | Flair Interiors
Business Acquisition
Identifiable intangible assets										$ 3,700
Customer relationships | Highwater
Business Acquisition
Identifiable intangible assets											$ 8,100
Trade name | Taylor Made
Business Acquisition
Identifiable intangible assets				7,600
Other Identifiable Intangible Assets | Taylor Made
Business Acquisition
Identifiable intangible assets				$ 4,200
Other Identifiable Intangible Assets | Metallarte S.r.l.
Business Acquisition
Identifiable intangible assets					$ 1,942
Other Identifiable Intangible Assets | Lexington
Business Acquisition
Identifiable intangible assets						$ 1,820
Other Identifiable Intangible Assets | Project 2000
Business Acquisition
Identifiable intangible assets									$ 6,141