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Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Cash flows from operating activities: |  |  |
Net income for the period | $ 125,174 | $ 123,203 | $ 89,212
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization of intangible assets | 159,485 | 129,130 | 113,837
Share-based compensation expense | 18,097 | 11,308 | 9,765
Excess tax benefits on share-based compensation expense | (2,723) | (1,888) | (1,143)
Pension expense | 543 | 552 | 211
Amortization of debt issuance costs | 1,703 | 1,359 | 1,390
Amortization of deferred charges and credits | 11,579 | 8,519 | 0
Unrealized gain on financial instruments | 0 | 0 | (878)
Loss on sale and write down of property and equipment | 203 | 12 | 136
Release of unrealized gain on marketable securities to income | 0 | 0 | (4,353)
Deferred taxes | (78,792) | (17,779) | (24,219)
Impairment and other non cash charges | 1,389 | (482) | (1,081)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | 5,319 | 200 | 24,521
Prepaid expenses and other current assets | (2,079) | 1,833 | (814)
Income taxes | 68,601 | 9,444 | 5,066
Deferred charges and credits | (22,035) | (29,071) | 0
Accounts payable and accrued liabilities | (17,812) | (21,197) | (11,340)
Deferred revenue | (4,581) | 10,738 | 3,077
Other assets | 2,419 | (2,660) | (23,196)
Net cash provided by operating activities | 266,490 | 223,221 | 180,191
Cash flows from investing activities: |  |  |
Additions of property and equipment | (25,828) | (36,662) | (19,314)
Purchase of patents | (193) | 0 | 0
Purchase consideration for prior period acquisitions | (1,113) | (4,577) | (12,843)
Investments in marketable securities | 0 | 518 | 0
Maturity of short-term investments | 0 | 0 | 45,525
Net cash used in investing activities | (281,539) | (287,268) | (109,821)
Cash flow from financing activities: |  |  |
Excess tax benefits on share-based compensation expense | 2,723 | 1,888 | 1,143
Proceeds from issuance of Common Shares | 21,270 | 11,512 | 9,971
Purchase of Treasury Stock | (10,888) | (12,499) | (14,000)
Proceeds from long-term debt and revolver | 648,500 | 0 | 0
Repayment of long-term debt and revolver | (349,187) | (3,575) | (3,485)
Debt issuance costs | (9,834) | (29) | (1,024)
Net cash provided by (used in) financing activities | 302,584 | (2,703) | (7,395)
Foreign exchange gain (loss) on cash held in foreign currencies | (11,928) | 24,698 | (12,602)
Increase (decrease) in cash and cash equivalents during the period | 275,607 | (42,052) | 50,373
Cash and cash equivalents at beginning of the period | 284,140 | 326,192 | 275,819
Cash and cash equivalents at end of the period | 559,747 | 284,140 | 326,192
System Solutions Australia Pty Limited [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | (1,738) | 0 | 0
Operitel Corporation [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | (7,014) | 0 | 0
Global 360 Holding Corporation [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | (245,653) | 0 | 0
StreamServe Inc [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | (57,221) | 0
weComm Limited [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | (20,198) | 0
Metastorm Inc [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | (168,657) | 0
Burntsand Inc. [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | 0 | (8,163)
Nstein Technologies Inc. [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | 0 | (20,370)
New Generation Consulting Inc. [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | (471) | (3,500)
Vignette Corporation [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | 0 | 0 | (90,600)
eMotion LLC [Member] |  |  |
Cash flows from investing activities: |  |  |
Purchase of business, net of cash acquired | $ 0 | $ 0 | $ (556)

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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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- Definition The increases or decreases in the market value of unsold securities whose gains or losses were included in earnings, and which, were not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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