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Acquisitions and Divestitures - Additional Information (Details) $ in Thousands, € in Millions |  |  |  |  |  |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended |
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Aug. 31, 2016 EUR (€) | Aug. 31, 2016 USD ($) | Jul. 01, 2016 EUR (€) | Jul. 01, 2016 USD ($) | Mar. 16, 2016 USD ($) | Dec. 01, 2015 USD ($) | Jul. 01, 2015 USD ($) | Jun. 10, 2015 EUR (€) | Jun. 10, 2015 USD ($) | May 29, 2015 EUR (€) | May 29, 2015 USD ($) | Dec. 31, 2016 USD ($) | Sep. 30, 2016 USD ($) | Jun. 30, 2016 USD ($) | Mar. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Jun. 30, 2015 USD ($) | Mar. 31, 2015 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2016 USD ($) | Jun. 30, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Apr. 28, 2014 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  | $ 530,419 | $ 530,356 | $ 549,696 | $ 502,572 | $ 499,798 | $ 503,791 | $ 514,881 | $ 502,198 |  | $ 2,113,043 |  | $ 2,020,668 | $ 2,147,767 |
Goodwill |  | $ 290,393 |  |  |  |  |  |  |  |  |  | $ 1,632,592 |  |  |  | 1,396,529 |  |  |  |  | 1,632,592 |  | 1,396,529 | 1,321,277 |
Intangible assets |  | 217,677 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration for acquisition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 |  | 4,705 | 0 |
Assets acquired |  | 510,001 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Acquisition related costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,700 |  | 2,600 | 1,700 |
Cost of goods sold |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fair value of inventory charges associated with acquisitions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,700 |  | 3,400 | $ 1,300 |
Akron Brass |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 120,000 |  |  |  |
Business combination, cash consideration paid |  |  |  |  | $ 221,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  | 124,643 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  | 90,400 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Indefinite-lived Intangible assets acquired |  |  |  |  | 28,800 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired |  |  |  |  | $ 221,399 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AWG Fittings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40,000 |  |  |  |
Business combination, cash consideration paid |  |  | € 42.8 | $ 47,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  | 22,031 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  | 10,279 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired |  |  |  | $ 47,494 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SFC-Koenig |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 63,000 |  |  |  |
Business combination, cash consideration paid | € 215.9 | 241,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  | 143,719 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  | 116,998 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired |  | $ 241,108 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Novotema |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, cash consideration paid |  |  |  |  |  |  |  |  |  | € 56.0 | $ 61,100 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  | 34,316 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |  |  | 20,011 |  |  |  |  | 20,000 |  |  |  |  |  |  | 20,000 |  |
Assets acquired |  |  |  |  |  |  |  |  |  |  | $ 61,098 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alfa Valvole |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, cash consideration paid |  |  |  |  |  |  |  | € 99.8 | $ 112,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  | 69,568 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  | 32,058 |  |  |  |  |  |  | 32,100 |  |  |  |  |  |  | 32,100 |  |
Assets acquired |  |  |  |  |  |  |  |  | $ 112,590 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CPS |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, cash consideration paid |  |  |  |  |  |  | $ 19,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  | 9,739 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  | 12,290 |  |  |  |  |  |  |  |  | $ 12,300 |  |  |  |  |  |  | $ 12,300 |  |
Aggregate purchase price |  |  |  |  |  |  | 24,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business combination, range of outcomes, value, high |  |  |  |  |  |  | 4,700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Assets acquired |  |  |  |  |  |  | 24,180 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CPS | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration for acquisition |  |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CPS | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Contingent consideration for acquisition |  |  |  |  |  |  | $ 5,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
CPS | Selling, general and administrative expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Change in amount of contingent consideration, liability |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000 | $ 3,700 |  |  |  |  | $ 4,700 |  | $ 4,700 |  |  |
Complementary Product Line |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 700 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate purchase price |  |  |  |  |  | $ 1,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aegis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,711
Intangible assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,770
Assets acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25,445
Goodwill, deductible for tax purposes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,700

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