Debt (Details) | 6 Months Ended | 12 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | | | | | | | | | | | 3 Months Ended | | | 3 Months Ended | | | | | | | | | | | | | | | |
In Thousands, unless otherwise specified | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Mar. 31, 2014 | Mar. 31, 2015 | Mar. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2014 | Mar. 31, 2014 |
| USD ($) | USD ($) | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Designated as Hedging Instrument [Member] | Interest Rate Swap 1 [Member] | Interest Rate Swap 2 [Member] | Interest Rate Swap 3 [Member] | Interest Rate Swap 4 [Member] | Interest Rate Swap 5 [Member] | Interest Rate Swap 6 [Member] | Interest Rate Swap 7 [Member] | Interest Rate Swap 8 [Member] | Interest Rate Swap 9 [Member] | Domestic Revolving Credit Facility [Member] | Domestic Revolving Credit Facility [Member] | Domestic Revolving Credit Facility [Member] | Domestic Revolving Credit Facility [Member] | Domestic Revolving Credit Facility [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Letter of Credit [Member] | Matthews International S.p.A [Member] | Matthews International S.p.A [Member] | Matthews International S.p.A [Member] | Matthews International S.p.A [Member] | Matthews International S.p.A [Member] | Matthews International S.p.A [Member] | Saueressig [Member] | Saueressig [Member] | Saueressig [Member] | Saueressig [Member] | Saueressig [Member] | Wetzel GmbH [Member] | Wetzel GmbH [Member] | Wetzel GmbH [Member] | Wetzel GmbH [Member] | Wetzel GmbH [Member] |
| | | Cash Flow Hedging [Member] | Cash Flow Hedging [Member] | Cash Flow Hedging [Member] | Cash Flow Hedging [Member] | Cash Flow Hedging [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | Interest Rate Swaps [Member] | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | | Minimum [Member] | Maximum [Member] | USD ($) | EUR (€) | USD ($) | EUR (€) | | USD ($) | EUR (€) | USD ($) | EUR (€) | USD ($) | | | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Lines of Credit with Italian Banks [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] | Credit Facility With European Bank [Member] |
| | | USD ($) | USD ($) | Interest Expense [Member] | Interest Expense [Member] | Interest Expense [Member] | Interest Expense [Member] | USD ($) | USD ($) | Current assets: Other Current Assets [Member] | Current assets: Other Current Assets [Member] | Long-term assets: Other Assets [Member] | Long-term assets: Other Assets [Member] | Current Liabilities: Other Current Liabilities [Member] | Current Liabilities: Other Current Liabilities [Member] | Long-Term Liabilities: Other Liabilities [Member] | Long-Term Liabilities: Other Liabilities [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | USD ($) | EUR (€) | USD ($) | EUR (€) | USD ($) | EUR (€) | USD ($) | EUR (€) | | USD ($) | EUR (€) | USD ($) | EUR (€) | |
| | | | | USD ($) | USD ($) | USD ($) | USD ($) | | | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | USD ($) | | | | | | | | | | | | | | | | | | | | | | | | | | | LinesofCredit | | | | | | | | | | | | | |
Line of Credit Facility [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Maximum amount of borrowings available | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | $900,000 | $500,000 | | | | $26,838 | € 25,000 | | | | | | | | | | | $12,163 | € 11,300 | | | | | | | | | | | | |
Interest rate on borrowings, based on leverage ratio | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | LIBOR plus a factor ranging from .75% to 2.00% based on the Companybs leverage ratio | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Interest rate on borrowings, based on leverage ratio (in hundredths) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0.75% | 2.00% | | | | | | | | | | | | | | | | | | | | | | | | | | |
Interest rate on borrowings (in hundredths) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 1.75% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Annual commitment fee range on unused portion | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | .15% to .25% (based on the Company's leverage ratio) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Annual commitment fee range on unused portion (in hundredths) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 0.15% | 0.25% | | | | | | | | | | | | | | | | | | | | | | | | | | |
Maximum available for issuance of trade and standby letters of credit | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 30,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Outstanding borrowings | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 660,425 | 680,000 | | | | 15,171 | 14,100 | 22,055 | 17,500 | | 4,496 | 4,200 | 6,063 | 4,800 | | | | 5,118 | 4,800 | 6,922 | 5,500 | 1,073 | 1,000 | 1,576 | 1,200 | | 2,749 | 2,600 | 3,624 | 2,900 | |
Weighted-average interest rate on outstanding borrowings (in hundredths) | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 2.50% | | 2.50% | | | 1.74% | 1.74% | | | 1.48% | | | | | | 3.18% | 3.12% | | | | | 4.05% | 4.05% | | | 4.04% | 5.84% | 5.84% | | | 7.75% |
Number of lines of credit | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 3 | 3 | | | | | | | | | | | | |
Other current assets | 55,570 | 49,456 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 12,925 | | | | | | | | | | | | | | | | |
Derivative [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Effective Date | | | | | | | | | | | | | | | | | | | | | Oct-11 | Jun-12 | Aug-12 | Sep-12 | Sep-12 | Nov-12 | May-14 | Nov-14 | Mar-15 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Amount | | | | | | | | | | | | | | | | | | | | | 25,000 | 40,000 | 35,000 | 25,000 | 25,000 | 25,000 | 25,000 | 25,000 | 25,000 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Fixed Interest Rate (in hundredths) | | | | | | | | | | | | | | | | | | | | | 1.67% | 1.88% | 1.74% | 3.03% | 1.24% | 1.33% | 1.35% | 1.26% | 1.49% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Interest Rate Spread (in hundredths) | | | | | | | | | | | | | | | | | | | | | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% | 1.75% | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Maturity Date | | | | | | | | | | | | | | | | | | | | | Oct-15 | Jun-22 | Jun-22 | Dec-15 | Mar-17 | Nov-15 | May-18 | Jun-18 | Mar-19 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Interest rate cash flow hedges [Abstract] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Unrealized gain (loss) on fair value of interest rate swaps, before tax | -2,862 | -330 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Unrealized gain (loss) on fair value of interest rate swaps, after tax | -1,746 | -201 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Unrealized loss expected to be recognized over the next 12 months | -830 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Derivatives, Fair Value [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Assets derivatives | | | | | | | | | | | | | 0 | 324 | 0 | 2,133 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Liability derivatives | | | | | | | | | | | | | | | | | -1,360 | -1,808 | -1,502 | -319 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Total derivatives | | | | | | | | | | | -2,862 | 330 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Derivative Instruments, Gain (Loss) [Line Items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Amount of loss recognized in income (loss) on derivatives | | | | | -966 | -1,054 | -2,073 | | -2,130 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Amount of (loss) recognized in AOCI on derivatives | | | -3,212 | -472 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Amount of gain or (loss) reclassified from AOCI into income (effective portion) | | | | | | | ($1,265) | [1] | ($1,299) | [1] | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
|
[1] | There is no ineffective portion or amount excluded from effectiveness testing. |