Acquisitions (Details) £ in Millions, SFr in Millions, $ in Millions | Jan. 31, 2017USD ($) | Jan. 31, 2017GBP (£) | Jan. 09, 2017USD ($) | Oct. 03, 2016USD ($) | Jun. 10, 2016USD ($) | Feb. 19, 2016USD ($) | Feb. 19, 2016CHF (SFr) | Mar. 31, 2017USD ($) | Mar. 31, 2016USD ($) | Mar. 31, 2017USD ($) | Jan. 31, 2017GBP (£) | Dec. 31, 2016USD ($) | Sep. 30, 2016USD ($) | Feb. 19, 2016CHF (SFr) | Oct. 31, 2014USD ($) |
Acquisitions | | | | | | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | | | | | | $ 225.8 | $ 8.1 | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Goodwill | | | | | | | | 1,176.9 | | $ 1,176.9 | | $ 1,081.2 | | | |
Arbo | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Percentage of ownership interest acquired | 100.00% | | | | | | | | | | 100.00% | | | | |
Aggregate cash purchase price, net of cash acquired | $ 10.2 | £ 8.1 | | | | | | | | | | | | | |
Contingent consideration | 2.5 | | | | | | | | | | £ 2 | | | | |
Goodwill deductible for tax purposes | 1.3 | | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | 1.2 | | | | | | | | | | £ 1 | | | | |
Receivables | 1.5 | | | | | | | | | | | | | | |
Inventories | 2.1 | | | | | | | | | | | | | | |
Definite-lived intangible assets | 2.2 | | | | | | | | | | | | | | |
Indefinite-lived intangible assets | 1.6 | | | | | | | | | | | | | | |
Accounts payable | (1.5) | | | | | | | | | | | | | | |
Deferred income tax liabilities | (1.4) | | | | | | | | | | | | | | |
Goodwill | $ 5.5 | | | | | | | | | | | | | | |
Arbo | Customer relationships | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | 15 years | 15 years | | | | | | | | | | | | | |
San Jamar | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | | 100.00% | | | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | $ 213.7 | | | | | | | | | | | | |
Total consideration transferred | | | 217.2 | | | | | | | | | | | | |
Goodwill deductible for tax purposes | | | 5 | | | | | | | | | | | | |
Uncertain tax positions | | | 4.1 | | | | | | | | | | | | |
Indemnification asset | | | 3.2 | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | | | 3.5 | | | | | 3.5 | | 3.5 | | | | | |
Receivables | | | 9.1 | | | | | | | | | | | | |
Inventories | | | 13.1 | | | | | | | | | | | | |
Prepaid expenses and other current assets | | | 2.3 | | | | | | | | | | | | |
Property, plant and equipment | | | 4.2 | | | | | | | | | | | | |
Definite-lived intangible assets | | | 135.1 | | | | | | | | | | | | |
Indefinite-lived intangible assets | | | 23.6 | | | | | | | | | | | | |
Other long-term assets | | | 3.2 | | | | | | | | | | | | |
Accounts payable | | | (7) | | | | | | | | | | | | |
Income tax payable | | | (0.5) | | | | | | | | | | | | |
Accrued expenses | | | (4.3) | | | | | | | | | | | | |
Other long-term liabilities | | | (4.8) | | | | | | | | | | | | |
Deferred income tax liabilities | | | (47.2) | | | | | | | | | | | | |
Total identifiable net assets | | | 130.3 | | | | | | | | | | | | |
Goodwill | | | $ 86.9 | | | | | | | | | | | | |
San Jamar | Customer relationships | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | 13 years | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | $ 98 | | | | | | | | | | | | |
San Jamar | Acquired Technology | | | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | $ 36.4 | | | | | | | | | | | | |
San Jamar | Acquired Technology | Minimum | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | 7 years | | | | | | | | | | | | |
San Jamar | Acquired Technology | Maximum | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | 10 years | | | | | | | | | | | | |
San Jamar | Non-compete agreement | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | 2 years | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | $ 0.7 | | | | | | | | | | | | |
Star Aviation | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | | | 100.00% | | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | | $ 82.4 | | | | | | | | | | | |
Total consideration transferred | | | | | | | | 82.7 | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | | | | | | | | 0.3 | | 0.3 | | | | | |
Receivables | | | | | | | | 5.8 | | 5.8 | | | | | |
Inventories | | | | | | | | 2.9 | | 2.9 | | | | | |
Prepaid expenses and other current assets | | | | | | | | 0.1 | | 0.1 | | | | | |
Property, plant and equipment | | | | | | | | 3.3 | | 3.3 | | | | | |
Definite-lived intangible assets | | | | | | | | 29 | | 29 | | | | | |
Accounts payable | | | | | | | | (1.1) | | (1.1) | | | | | |
Accrued expenses | | | | | | | | (0.7) | | (0.7) | | | | | |
Total identifiable net assets | | | | | | | | 39.6 | | 39.6 | | | | | |
Goodwill | | | | | | | | 43.1 | | 43.1 | | | | | |
Star Aviation | Customer relationships | | | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | $ 23.9 | | 23.9 | | | | | |
Star Aviation | Customer relationships | Minimum | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | 5 years | | | | | | | |
Star Aviation | Customer relationships | Maximum | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | 10 years | | | | | | | |
Star Aviation | Acquired Technology | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | 6 years | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | $ 4.7 | | 4.7 | | | | | |
Star Aviation | Non-compete agreement | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | 5 years | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | $ 0.4 | | 0.4 | | | | | |
Star Aviation | Preliminary Allocation | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Total consideration transferred | | | | 82.7 | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | | | | 0.3 | | | | | | | | | | | |
Receivables | | | | 5.9 | | | | | | | | | | | |
Inventories | | | | 3.1 | | | | | | | | | | | |
Prepaid expenses and other current assets | | | | 0.1 | | | | | | | | | | | |
Property, plant and equipment | | | | 3.3 | | | | | | | | | | | |
Definite-lived intangible assets | | | | 29 | | | | | | | | | | | |
Accounts payable | | | | (1.3) | | | | | | | | | | | |
Accrued expenses | | | | (0.8) | | | | | | | | | | | |
Total identifiable net assets | | | | 39.6 | | | | | | | | | | | |
Goodwill | | | | $ 43.1 | | | | | | | | | | | |
Star Aviation | Adjustment | | | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Receivables | | | | | | | | (0.1) | | (0.1) | | | | | |
Inventories | | | | | | | | (0.2) | | (0.2) | | | | | |
Accounts payable | | | | | | | | 0.2 | | 0.2 | | | | | |
Accrued expenses | | | | | | | | 0.1 | | 0.1 | | | | | |
Total identifiable net assets | | | | | | | | 0 | | 0 | | | | | |
Goodwill | | | | | | | | 0 | | 0 | | | | | |
Micro-Coax | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | | | | 100.00% | | | | | | | | | | |
Aggregate cash purchase price, net of cash acquired | | | | | $ 95.1 | | | | | | | | | | |
Total consideration transferred | | | | | | | | | | 96.6 | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | | | | | | | | 1.5 | | 1.5 | | | | | |
Receivables | | | | | | | | 6.3 | | 6.3 | | | | | |
Inventories | | | | | | | | 8.6 | | 8.6 | | | | | |
Prepaid expenses and other current assets | | | | | | | | 0.3 | | 0.3 | | | | | |
Property, plant and equipment | | | | | | | | 16 | | 16 | | | | | |
Definite-lived intangible assets | | | | | | | | 26.5 | | 26.5 | | | | | |
Indefinite-lived intangible assets | | | | | | | | 0 | | 0 | | | | | |
Other long-term assets | | | | | | | | 1 | | 1 | | | | | |
Accounts payable | | | | | | | | (1.7) | | (1.7) | | | | | |
Accrued expenses | | | | | | | | (2.5) | | (2.5) | | | | | |
Total identifiable net assets | | | | | | | | 56 | | 56 | | | | | |
Goodwill | | | | | | | | 40.6 | | 40.6 | | | | | |
Micro-Coax | Trade names | | | | | | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Indefinite-lived intangible assets | | | | | | | | 0.9 | | $ 0.9 | | | | | |
Micro-Coax | Customer relationships | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | | | 12 years | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | 14.5 | | $ 14.5 | | | | | |
Micro-Coax | Acquired Technology | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | | | 7 years | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | 10.6 | | $ 10.6 | | | | | |
Micro-Coax | Preliminary Allocation | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Total consideration transferred | | | | | 97.3 | | | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Cash and cash equivalents | | | | | 1.5 | | | | | | | | | | |
Receivables | | | | | 6.3 | | | | | | | | | | |
Inventories | | | | | 8.6 | | | | | | | | | | |
Prepaid expenses and other current assets | | | | | 0.4 | | | | | | | | | | |
Property, plant and equipment | | | | | 30 | | | | | | | | | | |
Definite-lived intangible assets | | | | | 31.5 | | | | | | | | | | |
Indefinite-lived intangible assets | | | | | 2 | | | | | | | | | | |
Other long-term assets | | | | | 1 | | | | | | | | | | |
Accounts payable | | | | | (1.7) | | | | | | | | | | |
Accrued expenses | | | | | (2.4) | | | | | | | | | | |
Total identifiable net assets | | | | | 77.2 | | | | | | | | | | |
Goodwill | | | | | $ 20.1 | | | | | | | | | | |
Micro-Coax | Preliminary Allocation | Trade names | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | | | 10 years | | | | | |
Micro-Coax | Preliminary Allocation | Non-compete agreement | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | | | | | 3 years | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | | | 0.5 | | $ 0.5 | | | | | |
Micro-Coax | Adjustment | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Total consideration transferred | | | | | | | | | | (0.7) | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Prepaid expenses and other current assets | | | | | | | | (0.1) | | (0.1) | | | | | |
Property, plant and equipment | | | | | | | | (14) | | (14) | | | | | |
Definite-lived intangible assets | | | | | | | | (5) | | (5) | | | | | |
Indefinite-lived intangible assets | | | | | | | | (2) | | (2) | | | | | |
Accrued expenses | | | | | | | | (0.1) | | (0.1) | | | | | |
Total identifiable net assets | | | | | | | | (21.2) | | (21.2) | | | | | |
Goodwill | | | | | | | | 20.5 | | 20.5 | | | | | |
MS | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Percentage of ownership interest acquired | | | | | | 100.00% | | | | | | | | 100.00% | |
Total consideration transferred | | | | | | $ 12.4 | SFr 12.3 | | | | | | | | |
Contingent consideration | | | | | | 4.3 | | | | | | | | SFr 4.3 | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | 9.7 | | | | | | | | | |
Indefinite-lived intangible assets | | | | | | 4.1 | | | | | | | | | |
Deferred income tax liabilities | | | | | | (2.2) | | | | | | | | | |
Goodwill | | | | | | $ 2.9 | | | | | | | | | |
MS | Customer relationships | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | 10 years | 10 years | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | $ 1.4 | | | | | | | | | |
MS | Acquired Technology | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Useful life of finite lived intangible assets | | | | | | 7 years | 7 years | | | | | | | | |
Recognized amounts of identifiable assets acquired and liabilities assumed: | | | | | | | | | | | | | | | |
Definite-lived intangible assets | | | | | | $ 8.3 | | | | | | | | | |
LHi Technology | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Indemnification asset | | | | | | | | $ 6.1 | | $ 6.1 | | | | | $ 8.7 |
LHi Technology | Adjustment | | | | | | | | | | | | | | | |
Acquisitions | | | | | | | | | | | | | | | |
Contingent consideration | | | | | | | | | | | | | $ 2.6 | | |
Indemnification asset | | | | | | | | | | | | | $ (2.6) | | |